Cylinder device

Abstract

The utility model relates to an air cylinder device which comprises a cylinder body, a plurality of air cylinders and an air cylinder, a plurality of air cylinders are arranged in the cylinder body at intervals in the first direction, and each air cylinder extends in the second direction intersecting with the first direction; an air inlet hole and an air outlet hole are formed in the cylinder body, the air inlet hole is communicated with each cavity, and the air outlet hole is communicated with each cavity; a plurality of piston rods, wherein one piston rod is arranged in each cavity; the magnetic sensor assembly is arranged on the cylinder body and located on the side, in the first direction, of the multiple cavities. Therefore, on one hand, under the condition that the push-pull force is certain, the width of the cylinder body can be thinned; on the other hand, under the condition that the width is not changed, the push-pull force of the air cylinder device can be multiplied; and on the other hand, the two adjacent air cylinder devices can be reversely installed in a staggered mode, the magnetic interference problem of the adjacent air cylinder devices is reduced to the maximum extent, and the use performance of the air cylinder devices is improved.

Description

Technical Field

[0001] The present application relates to the technical field of pneumatic equipment, and in particular to a cylinder device. Background Art

[0002] The cylinder is a pneumatic actuator that converts compressed air into mechanical energy, and it is widely used in the mechanical industry as a power output device.

[0003] In the field of circuit board manufacturing, when making circuit boards, the distance between the drill bit and the hole in the material box is generally 10mm. In order to meet the drilling requirements, the thickness of the cylinder can only be less than 10mm. When drilling, the blade of the drill bit may retain the entanglement produced by the drill plate, causing the drill bit to be stuck in the hole, and a large force is required to remove the drill bit from the hole in the material box. This raises the following questions for those skilled in the art: First, how to make the cylinder have a large push and pull force to pull out the drill bit when the cylinder diameter is small; second, the distance between adjacent cylinders is too close, how to reduce the mutual interference between the magnetic rings of adjacent cylinders to improve the sensing accuracy of the sensor. Summary of the invention

[0004] Based on this, it is necessary to provide a cylinder device to address the above problems.

[0005] A cylinder device, comprising:

[0006] A cylinder body, wherein a plurality of cavities are arranged at intervals along a first direction, and each of the cavities extends along a second direction intersecting the first direction; an air inlet and an air outlet are provided on the cylinder body, wherein the air inlet is communicated with each of the cavities, and the air outlet is communicated with each of the cavities;

[0007] a plurality of piston rods, one piston rod being arranged in each of the cavities; and

[0008] The magnetic sensor assembly is arranged on the cylinder body and is located on one side of the plurality of cavities along the first direction.

[0009] In one of the embodiments, the magnetic sensor assembly includes a magnetic member and a magnetic sensor;

[0010] The cylinder body is provided with a guide cavity extending along the second direction, and the guide cavity is provided on one side of the plurality of cavities along the first direction; the magnetic member is provided in the guide cavity;

[0011] Along the first direction, a first assembly portion is provided on a surface of one side of the cylinder body close to the guide cavity, and the magnetic sensor is provided on the first assembly portion.

[0012] In one embodiment, the air inlet and the air outlet are arranged on one side of the plurality of cavities along the second direction;

[0013] The cylinder device further includes an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are arranged on one side of the cylinder body along the second direction, the air inlet pipe is communicated with the air inlet hole, and the air outlet pipe is communicated with the air outlet hole.

[0014] In one embodiment, each of the piston rods extends from a side of the cylinder body away from the air inlet and the air outlet;

[0015] The cylinder device further comprises a quick connection structure, which is arranged at one end of the plurality of piston rods away from the cylinder body, and each of the piston rods is connected to the quick connection structure.

[0016] In one of the embodiments, a mounting groove is provided on a surface of the quick connection structure which is away from the piston rod.

[0017] In one of the embodiments, the cylinder device further comprises a clamping assembly, wherein the clamping assembly is connected to the quick connection structure, and the piston rod is used to drive the clamping assembly to clamp or release.

[0018] In one embodiment, the clamping assembly comprises:

[0019] A connecting piece connected to the quick connection structure;

[0020] Two first connecting rods, one end of each of the first connecting rods is rotatably connected to the connecting member, and the rotational connection points of the two first connecting rods are spaced apart;

[0021] Two second connecting rods, each of which has a third end and a fourth end that are arranged opposite to each other, and a hinged end located between the third end and the fourth end, and a line connecting the third end and the hinged end intersects with a line connecting the fourth end and the hinged end; the third end of each second connecting rod is rotatably connected to an end of a corresponding one of the first connecting rods that is away from the connecting member;

[0022] A fixing member, arranged on a side of the connecting member away from the quick connection structure and spaced apart from the connecting member;

[0023] Two clamping claws are connected to the fourth end of each of the second connecting rods in a one-to-one correspondence.

[0024] In one embodiment, the cylinder device further comprises a plurality of elastic members, and the plurality of elastic members are arranged on a side of the cylinder body close to the magnetic sensor assembly;

[0025] The multiple elastic members correspond to the multiple piston rods one by one. One end of each elastic member abuts against the cylinder body, and the other end abuts against the corresponding piston rod to apply a force away from the cylinder body to the piston rod.

[0026] In one embodiment, a boss is provided on the outer wall of the piston rod, the elastic member is sleeved on the piston rod, and one end of the elastic member abuts against the boss, and the other end abuts against the cylinder body.

[0027] In one embodiment, the cylinder body has a first end and a second end disposed opposite to each other along the first direction; the cylinder device further comprises:

[0028] A positioning hole, wherein the first end and the second end are both provided with the positioning hole, and the positioning hole at the first end and the positioning hole at the second end are arranged opposite to each other;

[0029] Positioning grooves, two positioning grooves are provided at each of the first end and the second end; the two positioning grooves at the first end are provided on both sides of the cylinder body along the third direction, and are arranged opposite to each other; the two positioning grooves at the second end are provided on both sides of the cylinder body along the third direction, and are arranged opposite to each other; the third direction intersects with both the first direction and the second direction.

[0030] In one embodiment, the cylinder body is further provided with a first process hole and a second process hole arranged at intervals, the first process hole and the second process hole both extend along the first direction; a center line connecting the first process hole and the second process hole is perpendicular to the first direction and intersects the second direction and the third direction;

[0031] The first process hole is communicated with the air inlet and each of the cavities, and the second process hole is communicated with the air outlet and each of the cavities.

[0032] In one of the embodiments, a dimension of the cylinder along the third direction is greater than or equal to 8 mm and less than or equal to 12 mm; the first direction, the second direction and the third direction are perpendicular to each other.

[0033] The above-mentioned cylinder device is provided with a plurality of cavities arranged at intervals along the first direction in the cylinder body, and each cavity is connected to the same air inlet and the same air outlet, and a piston rod is provided in each cavity. In this way, it is equivalent to decomposing a cylinder body with a large cylinder diameter into a plurality of cylinder bodies with small cylinder diameters, and arranging them in the first direction (length direction). On the one hand, under the condition of a certain push-pull force, it is beneficial to make the width of the cylinder body thinner; on the other hand, under the condition of a constant width, it can increase the push-pull force of the cylinder device exponentially. In addition, by arranging the magnetic sensor assembly on one side of the plurality of cavities along the first direction, it is equivalent to arranging the magnetic sensor assembly at one end in the length direction of the cylinder body. In this way, two adjacent cylinder devices can be staggered and reversely installed, which minimizes the magnetic interference problem of adjacent cylinder devices and improves the performance of the cylinder device. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the conventional technology, the drawings required for use in the embodiments or the conventional technology descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0035] FIG. 1 is a perspective view of a cylinder device provided in one embodiment of the present application.

[0036] FIG. 2 is a front perspective view of a cylinder body of the cylinder device shown in FIG. 1 .

[0037] FIG. 3 is a left side view of the cylinder body shown in FIG. 2 .

[0038] FIG. 4 is a right side view of the cylinder body shown in FIG. 2 .

[0039] FIG. 5 is a schematic diagram of the external structure of the cylinder device shown in FIG. 1 .

[0040] FIG. 6 is a schematic structural diagram of a clamping assembly of the cylinder device shown in FIG. 1 .

[0041] Description of reference numerals:

[0042] 1. Cylinder device; 11. Cylinder body; 11a. First end; 11b. Second end; 111. Cavity; 112. Air inlet; 113. Air outlet; 114. Guide cavity; 115. First assembly part; 116. Positioning hole; 117. Positioning groove; 118. First process hole; 119. Second process hole; 12. Piston rod; 121. Boss; 13. Magnetic sensor assembly; 131. Magnetic member; 14. Air inlet pipe; 15. Air outlet pipe; 16. Quick connection structure; 161. Assembly groove; 17. Elastic member; 18. Clamping assembly; 181. Connecting member; 182. First connecting rod; 183. Second connecting rod; 184. Fixing member; 185. Clamping jaw; 186. Shell. DETAILED DESCRIPTION

[0043] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0044] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0045] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0046] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0047] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0048] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0049] 1-5, an embodiment of the present application provides a cylinder device 1, which includes a cylinder body 11, a magnetic sensor assembly 13 and a plurality of piston rods 12. A plurality of cavities 111 arranged at intervals along a first direction X are provided in the cylinder body 11, and each cavity 111 extends along a second direction Y intersecting the first direction X. An air inlet 112 and an air outlet 113 are provided on the cylinder body 11, and the air inlet 112 is connected to each cavity 111, and the air outlet 113 is connected to each cavity 111. A piston rod 12 is provided in each cavity 111. The magnetic sensor assembly 13 is provided on the cylinder body 11, and is located on one side of the plurality of cavities 111 along the first direction X.

[0050] It can be understood that the first direction X can be the length direction of the cylinder 11, the second direction Y can be perpendicular to the first direction X, and the second direction Y can be the height direction of the cylinder 11. Further, the third direction Z in the embodiment of the present application can be the width direction (or thickness direction) of the cylinder 11.

[0051] The above-mentioned cylinder device 1 is provided with a plurality of cavities 111 arranged at intervals along the first direction X in the cylinder body 11, and each cavity 111 is connected to the same air inlet hole 112, and is connected to the same air outlet hole 113, and a piston rod 12 is provided in each cavity 111. In this way, it is equivalent to decomposing the cylinder body 11 with a large cylinder diameter into a plurality of cylinder bodies 11 with small cylinder diameters, and arranging them in the first direction X (length direction). In this way, on the one hand, compared with the cylinder device 1 with a large cylinder diameter, under the condition of the same push-pull force, the cylinder device 1 provided in the embodiment of the present application is conducive to reducing the width of the cylinder body 11, and realizing a small cylinder diameter and a large thrust; on the other hand, compared with the cylinder device 1 with a small cylinder diameter, the cylinder device 1 provided in the embodiment of the present application can increase the push-pull force of the cylinder device 1 exponentially without changing the width, and realize a small cylinder diameter and a large thrust.

[0052] In addition, by arranging the magnetic sensor assembly 13 on one side of the multiple cavities 111 along the first direction X, it is equivalent to arranging the magnetic sensor assembly 13 at one end in the length direction of the cylinder body 11. In this way, when assembling multiple cylinder devices 1, two adjacent cylinder devices 1 can be installed alternately and reversely, thereby minimizing the magnetic interference problem of adjacent cylinder devices 1 and improving the performance of the cylinder device 1.

[0053] Here, staggered reverse installation means that two adjacent cylinder devices 1 are arranged along the third direction Z, and the installation directions of the two cylinder devices 1 are reversed in the first direction X. Exemplarily, the cylinder body 11 has a first end 11a and a second end 11b arranged along the first direction X. In the two adjacent cylinder devices 1, the first end 11a of one cylinder body 11 is adjacent to the second end 11b of the other cylinder body 11, that is, the first end 11a and the second end 11b of one cylinder body 11 are respectively located on the left and right sides of the cylinder body 11, and the first end 11a and the second end 11b of the other cylinder body 11 are respectively located on the right and left sides of the cylinder body 11.

[0054] In one embodiment, as shown in FIG. 1 , FIG. 2 and FIG. 3 , the magnetic sensor assembly 13 includes a magnetic member 131 and a magnetic sensor (not shown). A guide cavity 114 extending along the second direction Y is provided in the cylinder body 11, and the guide cavity 114 is provided on one side of the plurality of cavities 111 along the first direction X. The magnetic member 131 is provided in the guide cavity 114. Along the first direction X, a first assembly portion 115 is provided on a surface of one side of the cylinder body 11 close to the guide cavity 114, and the magnetic sensor is provided on the first assembly portion 115.

[0055] It can be understood that the magnetic sensor assembly 13 is used to measure the stroke and position of the piston rod 12, and the magnetic member 131 can be connected to the piston rod 12 to move with the piston rod 12. Exemplarily, the magnetic member 131 can be a magnetic ring.

[0056] The above arrangement can make the arrangement and assembly of the magnetic sensor assembly 13 relatively simple, thereby reducing the structural complexity and manufacturing cost of the cylinder device 1.

[0057] In a specific embodiment, the guide cavity 114 and the first assembly portion 115 are disposed at the first end 11a or the second end 11b of the cylinder body 11. It is understandable that the first assembly portion 115 may be a threaded hole or a slot.

[0058] In one embodiment, as shown in FIG. 1 and FIG. 2 , the air inlet 112 and the air outlet 113 are arranged on one side of the plurality of cavities 111 along the second direction Y. The cylinder device 1 further includes an air inlet pipe 14 and an air outlet pipe 15, which are arranged on one side of the cylinder body 11 along the second direction Y, the air inlet pipe 14 being connected to the air inlet 112, and the air outlet pipe 15 being connected to the air outlet 113. In this way, it is equivalent to arranging the air inlet pipe 14 and the air outlet pipe 15 on one side in the height direction of the cylinder body 11, which is conducive to maximizing the width (or thickness) of the cylinder body 11 in a limited space, thereby facilitating the realization of a small cylinder diameter and a large thrust.

[0059] In a specific embodiment, the air inlet 112 and the air outlet 113 are disposed at the top of the cylinder body 11 , and the air inlet pipe 14 and the air outlet pipe 15 are also disposed at the top of the cylinder body 11 .

[0060] In one embodiment, each piston rod 12 extends from a side of the cylinder body 11 away from the air inlet 112 and the air outlet 113, that is, the piston rod 12 extends from the bottom of the cylinder body 11. The cylinder device 1 also includes a quick connection structure 16, which is provided at one end of the plurality of piston rods 12 away from the cylinder body 11, and each piston rod 12 is connected to the quick connection structure 16. By providing the quick connection structure 16, the cylinder device 1 can be quickly assembled with an external connection structure, thereby improving assembly efficiency.

[0061] In one embodiment, a mounting groove 161 is provided on a side surface of the quick connection structure 16 away from the piston rod 12. In one example, the mounting groove 161 is a "T"-shaped groove. In this way, the cylinder device 1 can be quickly assembled with the external connection structure, thereby eliminating the need to use fasteners such as screws and bolts, which is conducive to improving assembly efficiency.

[0062] In one embodiment, the cylinder device 1 further includes a plurality of elastic members 17, which are disposed on one side of the cylinder body 11 close to the magnetic sensor assembly 13. The plurality of elastic members 17 correspond to the plurality of piston rods 12 one by one, and one end of each elastic member 17 abuts against the cylinder body 11, and the other end abuts against the corresponding piston rod 12, so as to apply a force away from the cylinder body 11 to the piston rod 12.

[0063] It should be noted that the quick connection structure 16 is usually equipped with a clamping claw, which clamps when the piston rod 12 is extended and releases when the piston rod 12 is retracted.

[0064] In this way, even in the case of air leakage in the cylinder body 11, the cylinder device 1 can also achieve self-locking, that is, whether there is air in the cylinder body 11 or not, the piston rod 12 can be in an extended state, ensuring that the clamping claws remain in a clamped state to avoid the clamped object from falling and being damaged due to air leakage.

[0065] It should be noted that the force required for the clamping jaws to clamp is usually much greater than the force required for the clamping jaws to loosen. 伸 = Cylinder 11 Power F 气 + Elastic 17 Elasticity F 弹 , the force F for the piston rod 12 to retract 缩 = Cylinder 11 Power F 气 - Elastic element 17 elastic force F 弹 Thus, the additional elastic member 17 can be used to retract the cylinder 11 power F of the piston rod 12. 气 According to the magnitude of the elastic force of the elastic member 17, it is converted into the power F for the piston rod 12 to extend. 伸 This can increase the power of the piston rod 12 to extend, thereby ensuring that the clamping jaws have a stronger clamping force when the cylinder diameter is constant.

[0066] In one embodiment, a boss 121 is provided on the outer wall of the piston rod 12, and the elastic member 17 is sleeved on the piston rod 12, and one end of the elastic member 17 abuts against the boss 121, and the other end abuts against the cylinder body 11. For example, the elastic member 17 can be a spring. In this way, the assembly structure between the elastic member 17 and the piston rod 12 can be relatively simple, reducing the manufacturing cost.

[0067] In one embodiment, as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the cylinder body 11 has a first end 11a and a second end 11b arranged opposite to each other along the first direction X. The cylinder device 1 further includes a positioning hole 116 and a positioning groove 117, and the first end 11a and the second end 11b are both provided with a positioning hole 116, and the positioning hole 116 of the first end 11a and the positioning hole 116 of the second end 11b are arranged opposite to each other. The first end 11a and the second end 11b are both provided with two positioning grooves 117. The two positioning grooves 117 of the first end 11a are arranged on both sides of the cylinder body 11 along the third direction Z, and are arranged opposite to each other. The two positioning grooves 117 of the second end 11b are arranged on both sides of the cylinder body 11 along the third direction Z, and are arranged opposite to each other. The third direction Z intersects with both the first direction X and the second direction Y.

[0068] The above arrangement enables the first end 11a and the second end 11b of the cylinder body 11 to have the same assembly structure, so that when assembling a plurality of cylinder devices 1, the cylinder devices 1 can be installed in a staggered and reverse manner.

[0069] In one embodiment, as shown in FIG. 2 and FIG. 4 , the cylinder body 11 is further provided with first process holes 118 and second process holes 119 arranged at intervals, and the first process holes 118 and the second process holes 119 both extend along the first direction X. The center line of the first process hole 118 and the second process hole 119 is perpendicular to the first direction X, and intersects in the second direction Y and the third direction Z, that is, the first process hole 118 and the second process hole 119 are staggered in the third direction Z. The first process hole 118 is in communication with the air inlet hole 112 and each cavity 111, and the second process hole 119 is in communication with the air outlet hole 113 and each cavity 111.

[0070] By setting the first process hole 118, it is beneficial to connect the air inlet hole 112 with each cavity 111 during the manufacturing process. By setting the second process hole 119, it is beneficial to connect the air outlet hole 113 with each cavity 111 during the manufacturing process.

[0071] In one embodiment, the dimension of the cylinder body 11 along the third direction Z is greater than or equal to 8 mm and less than or equal to 12 mm, that is, the thickness (or width) of the cylinder body 11 is greater than or equal to 8 mm and less than or equal to 12 mm. The first direction X, the second direction Y and the third direction Z are perpendicular to each other. In this way, the thickness of the cylinder device 1 can be thinner (or the width is smaller), and at the same time, it has a larger push-pull force, so that the cylinder device 1 can be applied in the field of circuit board manufacturing.

[0072] In one embodiment, as shown in Fig. 6, the cylinder device 1 further comprises a clamping assembly 18, the clamping assembly 18 is connected to the quick connection structure 16, and the piston rod 12 is used to drive the clamping assembly 18 to clamp or release. In this way, the cylinder device 1 can have a clamping function.

[0073] In a specific embodiment, the piston rod 12 extends and drives the clamping assembly 18 to clamp (or tighten), and the piston rod 12 retracts and drives the clamping assembly 18 to release (or loosen).

[0074] In one embodiment, the clamping assembly 18 includes a connecting member 181 , two first connecting rods 182 , two second connecting rods 183 , a fixing member 184 and two clamping jaws 185 .

[0075] Wherein, the connecting member 181 is connected to the quick connection structure 16. One end of each first connecting rod 182 is rotatably connected to the connecting member 181, and the rotational connection points of the two first connecting rods 182 are spaced apart. Two second connecting rods 183, each second connecting rod 183 has a third end and a fourth end arranged opposite to each other, and a hinged end located between the third end and the fourth end, and the line connecting the third end and the hinged end intersects with the line connecting the fourth end and the hinged end. That is, the second connecting rod 183 is a bent rod structure, and the shape of the second connecting rod 183 is similar to a "7" shape. The third end of each second connecting rod 183 is rotatably connected to one end of a corresponding first connecting rod 182 away from the connecting member 181. The fixing member 184 is arranged on a side of the connecting member 181 away from the quick connection structure 16, and is spaced apart from the connecting member 181. Two clamping claws 185 are connected to the fourth end of each second connecting rod 183 in a one-to-one correspondence.

[0076] Thus, when the piston rod 12 is extended, the connecting member 181 can be pressed down, and the connecting member 181 applies force to the first connecting rod 182 and the second connecting rod 183 in sequence, so that the fourth ends of the two second connecting rods 183 move in a direction close to each other, thereby achieving clamping. When the piston rod 12 is retracted, the connecting member 181 can be lifted up, and the connecting member 181 applies force to the first connecting rod 182 and the second connecting rod 183 in sequence, so that the fourth ends of the two second connecting rods 183 move in a direction away from each other, thereby achieving loosening.

[0077] In one embodiment, the clamping assembly 18 further includes a housing 186, the housing 186 has a receiving cavity, the connecting member 181, the first connecting rod 182 and part of the second connecting rod 183 are arranged in the receiving cavity. The fixing member 184 is assembled on the housing 186, and the fourth end of the second connecting rod 183 extends from the opening of the receiving cavity.

[0078] In one embodiment, a T-shaped protrusion is provided on the connecting member 181 , and the T-shaped protrusion can be clamped in the assembly groove 161 of the quick connection structure 16 .

[0079] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A cylinder device, characterized in that: include: A cylinder body, wherein a plurality of cavities are arranged at intervals along a first direction, and each of the cavities extends along a second direction intersecting the first direction; The cylinder body is provided with an air inlet and an air outlet, the air inlet is communicated with each of the cavities, and the air outlet is communicated with each of the cavities; A plurality of piston rods, one of the piston rods being arranged in each of the cavities; as well as The magnetic sensor assembly is arranged on the cylinder body and is located on one side of the plurality of cavities along the first direction.

2. The cylinder device according to claim 1, characterized in that: The magnetic sensor assembly comprises a magnetic member and a magnetic sensor; a guide cavity extending along the second direction is provided in the cylinder body, and the guide cavity is provided on one side of the plurality of cavities along the first direction; the magnetic member is provided in the guide cavity; along the first direction, a first assembly portion is provided on a surface of one side of the cylinder body close to the guide cavity, and the magnetic sensor is provided on the first assembly portion; And / or, a dimension of the cylinder along the third direction is greater than or equal to 8 mm and less than or equal to 12 mm; and the first direction, the second direction and the third direction are perpendicular to each other.

3. The cylinder device according to claim 1, characterized in that: The air inlet and the air outlet are arranged on one side of the plurality of cavities along the second direction; The cylinder device further includes an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are arranged on one side of the cylinder body along the second direction, the air inlet pipe is communicated with the air inlet hole, and the air outlet pipe is communicated with the air outlet hole.

4. The cylinder device according to claim 3, characterized in that: Each of the piston rods extends from a side of the cylinder body away from the air inlet and the air outlet; The cylinder device further comprises a quick connection structure, which is arranged at one end of the plurality of piston rods away from the cylinder body, and each of the piston rods is connected to the quick connection structure.

5. The cylinder device according to claim 4, characterized in that: The cylinder device also includes a clamping assembly, which is connected to the quick connection structure, and the piston rod is used to drive the clamping assembly to clamp or release.

6. The cylinder device according to claim 5, characterized in that: The clamping assembly comprises: A connecting piece connected to the quick connection structure; Two first connecting rods, one end of each of the first connecting rods is rotatably connected to the connecting member, and the rotational connection points of the two first connecting rods are spaced apart; Two second connecting rods, each of which has a third end and a fourth end that are arranged opposite to each other, and a hinged end located between the third end and the fourth end, and a line connecting the third end and the hinged end intersects with a line connecting the fourth end and the hinged end; the third end of each second connecting rod is rotatably connected to an end of a corresponding one of the first connecting rods that is away from the connecting member; A fixing member, arranged on a side of the connecting member away from the quick connection structure and spaced apart from the connecting member; Two clamping claws are connected to the fourth end of each of the second connecting rods in a one-to-one correspondence.

7. The cylinder device according to claim 4, characterized in that: The cylinder device further comprises a plurality of elastic members, and the plurality of elastic members are arranged on a side of the cylinder body close to the magnetic sensor assembly; The multiple elastic members correspond to the multiple piston rods one by one. One end of each elastic member abuts against the cylinder body, and the other end abuts against the corresponding piston rod to apply a force away from the cylinder body to the piston rod.

8. The cylinder device according to claim 7, characterized in that: A boss is arranged on the outer wall of the piston rod, and the elastic member is sleeved on the piston rod, with one end of the elastic member abutting against the boss and the other end abutting against the cylinder body.

9. The cylinder device according to any one of claims 1 to 8, characterized in that: The cylinder body has a first end and a second end disposed opposite to each other along the first direction; the cylinder device further comprises: A positioning hole, wherein the first end and the second end are both provided with the positioning hole, and the positioning hole at the first end and the positioning hole at the second end are arranged opposite to each other; Positioning grooves, two positioning grooves are provided at each of the first end and the second end; the two positioning grooves at the first end are provided on both sides of the cylinder body along the third direction, and are arranged opposite to each other; the two positioning grooves at the second end are provided on both sides of the cylinder body along the third direction, and are arranged opposite to each other; the third direction intersects with both the first direction and the second direction.

10. The cylinder device according to claim 9, characterized in that: The cylinder body is also provided with a first process hole and a second process hole arranged at intervals, the first process hole and the second process hole both extend along the first direction; the center line of the first process hole and the second process hole is perpendicular to the first direction and intersects the second direction and the third direction; The first process hole is communicated with the air inlet and each of the cavities, and the second process hole is communicated with the air outlet and each of the cavities.

Images