Gas spring adjusting mechanism

Abstract

The utility model relates to the technical field of gas spring adjustment, and discloses a gas spring adjusting mechanism which comprises an installation base, a connecting plate is fixedly connected to the middle of the front side of the inner wall of the installation base, a crank arm installation base is fixedly connected to the inner wall of the connecting plate, and a rotating shaft is fixedly connected to the inner wall of the crank arm installation base. A pin shaft is arranged on the inner wall of the rotating shaft, an air spring upper support is arranged at the bottom of the inner wall of the rotating shaft, a shifting fork is arranged at the top of the rotating shaft, the shifting fork and the air spring upper support are fixedly connected with the rotating shaft through the pin shaft, and an air spring column is fixedly connected to the bottom of the air spring upper support. The bottom end of the air spring column is fixedly connected with an air spring lower support. According to the utility model, through the operation part consisting of the brake cable, the brake cable mounting plate and the clasping hand, the gas spring is conveniently controlled, the internal pressure balance of the gas spring is broken by pulling the clasping hand, and the angle can be freely adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas spring adjustment technical field especially relates to a gas spring adjustment mechanism. BACKGROUND

[0002] As a kind of elastic element that can provide support and buffering and adjustment function, gas spring has wide application in many fields, automobile industry, automobile tail door and seat backrest opening and closing rely on gas spring to realize smooth action, in furniture field, some adjustable angle sofa and cabinet door also rely on gas spring to meet the needs of different use state of user, so need to use a kind of gas spring adjustment mechanism.

[0003] Gas spring adjustment mechanism is composed of adjusting nut, screw rod, piston and sealing element component, adjusting nut is used to manually or with the aid of tool operation, screw rod is connected with piston, screw rod drives piston to move in gas spring by rotating adjusting nut, adjusting nut is currently matched with screw rod by thread, although thread can realize accurate adjustment to a certain extent, but in practical application, since the pitch of thread is fixed, very fine adjustment cannot be realized in the adjustment process, the existing solution is that the pitch of fine tooth thread is smaller than ordinary thread, under the same rotation angle, the axial movement distance of screw rod is shorter, so that more fine adjustment is realized, but the pitch of fine tooth thread is small, to achieve larger axial adjustment distance, adjusting nut needs to be rotated many rounds, in actual operation, it becomes very tedious, and when needing to quickly and substantially adjust gas spring, the adjustment speed of fine tooth thread is very slow, cannot quickly meet the needs of up and down adjustment. CONTENT OF UTILITY MODEL

[0004] In order to make up for the above insufficient, the utility model provides a kind of gas spring adjustment mechanism, to improve the problem that the pitch of fine tooth thread in prior art is small, to achieve larger axial adjustment distance, adjusting nut needs to be rotated many rounds, it becomes very tedious in operation, cannot quickly meet the needs of up and down adjustment.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a gas spring adjusting mechanism, including the mounting base, the inner wall front side middle part of mounting base is fixedly connected with the connecting plate, the inner wall of connecting plate is fixedly connected with the crank arm mounting seat, the inner wall of crank arm mounting seat is fixedly connected with the pivot, the inner wall of pivot is provided with the pin shaft, the inner wall bottom of pivot is provided with the gas spring upper support, the top of pivot is provided with the pull fork, the pull fork with the gas spring upper support is fixedly connected through the pin shaft with the pivot, the bottom of gas spring upper support is fixedly connected with the gas spring column, the bottom of gas spring column is fixedly connected with the gas spring lower support, the inner wall left side of crank arm mounting seat is provided with the driven assembly, the outer wall left side of crank arm mounting seat is fixedly connected with the cover plate, the driven assembly is fixedly connected through the cover plate with the crank arm mounting seat, the inner wall left side of mounting base is fixed with the brake cable mounting plate, the outer wall of brake cable mounting plate is provided with the buckle hand, the outer wall front side of buckle hand is provided with the connecting mechanism, the connecting mechanism is used for the buckle hand with the brake cable mounting plate installs.

[0006] As a further description of the above technical scheme:

[0007] The connecting mechanism includes a connecting piece, the connecting piece is fixedly connected to the outer wall of the buckle hand, the outer wall of the connecting piece is provided with a connecting hole on the left and right sides of the top, a plurality of threaded holes one are formed on the left and right sides of the outer wall of the connecting piece, a plurality of threaded holes two are formed on the left and right sides of the outer wall of the brake cable mounting plate, a plurality of screws are arranged in the inner wall of the threaded holes two, and the plurality of screws are threadedly connected with the inner wall of the threaded holes two.

[0008] As a further description of the above technical scheme:

[0009] The front bottom of the mounting base is provided with a groove one, and the outer wall of the groove one is designed to be smooth.

[0010] As a further description of the above technical scheme:

[0011] The outer left and right sides of the mounting base are provided with grooves two, and the inner walls of the two grooves two are provided with round holes one at the upper and lower ends.

[0012] As a further description of the above technical scheme:

[0013] The round holes one are equidistantly arranged on the inner walls of the two grooves two, and the outer walls of the two round holes one are designed to be smooth.

[0014] As a further description of the above technical scheme:

[0015] The inner walls of the two round holes one are provided with round holes two on the left and right sides of the bottom, and the outer walls of the two round holes two are designed to be smooth.

[0016] As a further description of the above technical solutions:

[0017] The inner wall of the left circular hole one is provided with a groove three in the upper part, and the outer wall of the groove three is designed in a smooth manner.

[0018] As a further description of the above technical solutions:

[0019] Two connecting holes are equidistantly arranged on the top and left side of the connecting piece, and the outer walls of the two connecting holes are designed in a smooth manner.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, the operating part composed of the brake cable, the brake cable mounting plate and the buckle hand realizes convenient control of the gas spring, breaks the internal pressure balance of the gas spring by pulling the buckle hand, can freely adjust the angle, and releases the buckle hand to restore the pressure state and fix the angle, which is simple and convenient to operate, meets the up-down angle adjustment requirement when the machine tool operating box is used in actual application, and improves the practicality and adaptability of the device.

[0022] 2. In the utility model, the brake cable mounting plate is connected through the threaded hole and the screw, which is firm and reliable, ensures that the connecting part is stable during the operation of the mechanism, does not affect the overall operation due to loosening and separation, finally realizes accurate transmission of the buckle hand operating force to the brake cable mounting plate, makes the whole mechanism coordinate and link, meets the requirement of complex working scene, and improves the work efficiency. DRAWINGS

[0023] Figure 1 The utility model provides a kind of brake cable mounting plate installation schematic drawing of gas spring adjusting mechanism;

[0024] Figure 2 The utility model provides a kind of overall structure split drawing of gas spring adjusting mechanism;

[0025] Figure 3 The utility model provides a kind of gas spring adjusting mechanism installation schematic drawing of gas spring adjusting mechanism.

[0026] Legend:

[0027] 1, mounting base;2, connecting mechanism;201, connecting piece;202, connecting hole;203, threaded hole one;204, threaded hole two;205, screw;3, connecting plate;4, crank arm mounting base;5, rotating shaft;6, pin shaft;7, pull fork;8, gas spring upper support;9, gas spring column;10, gas spring lower support;11, driven assembly;12, cover plate;13, brake cable mounting plate;14, buckle hand;15, groove one;16, groove two;17, circular hole one;18, circular hole two;19, groove three. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0029] Referring to Figure 1 And Figure 2 An embodiment provided by the utility model: a gas spring adjusting mechanism, including installation base 1, installation base 1 plays the role of basic support and fixation in the whole gas spring adjusting mechanism, provides a stable installation platform for the whole mechanism, the inner wall front side middle part of installation base 1 is fixedly connected with connecting plate 3, the inner wall of connecting plate 3 is fixedly connected with crank arm mounting seat 4, through the connection of connecting plate 3, crank arm mounting seat 4 can be stably installed on installation base 1, the inner wall of crank arm mounting seat 4 is fixedly connected with rotating shaft 5, the inner wall of rotating shaft 5 is provided with pin shaft 6, crank arm mounting seat 4 provides the installation and support position for rotating shaft 5, gas spring lower support 10 and driven assembly 11 parts, the bottom of the inner wall of rotating shaft 5 is provided with gas spring upper support 8, the top of rotating shaft 5 is provided with pull fork 7, pull fork 7 and gas spring upper support 8 are fixedly connected with rotating shaft 5 through pin shaft 6, the extension and retraction movement of gas spring column 9 is converted into the rotary motion around rotating shaft 5, when gas spring column 9 retracts, pull fork 7 swings along with the movement of gas spring column 9, thereby driving rotating shaft 5 to rotate, further realizing the change of the angle between installation base 1 and crank arm mounting seat 4, the bottom of gas spring upper support 8 is fixedly connected with gas spring column 9, the bottom end of gas spring column 9 is fixedly connected with gas spring lower support 10, through the extension and retraction movement, pull fork 7, rotating shaft 5 parts are driven to move, thereby realizing the angle adjustment between installation base 1 and crank arm mounting seat 4, the inner wall left side of crank arm mounting seat 4 is provided with driven assembly 11, driven assembly 11 can move along with the movement of gas spring column 9, rotating shaft 5 main parts, further optimizing the motion performance and stability of the mechanism, the outer wall left side of crank arm mounting seat 4 is fixedly connected with cover plate 12, driven assembly 11 is fixedly connected with crank arm mounting seat 4 through cover plate 12, the inner wall left side of installation base 1 is fixed with brake cable mounting plate 13, the outer wall of brake cable mounting plate 13 is provided with knuckle 14, the outer wall front side of knuckle 14 is provided with connecting mechanism 2, connecting mechanism 2 is used for installing knuckle 14 and brake cable mounting plate 13;

[0030] Specifically, the gas spring column 9 is fixed to the elbow mounting seat 4 through the gas spring lower support 10 at the bottom, and is connected with the pull fork 7 connected with the rotating shaft 5 at the top. The principle is that when the gas spring column 9 extends or retracts, the pull fork 7 rotates around the rotating shaft 5 to realize angle adjustment. The rotating shaft 5 is fixed in the elbow mounting seat 4 to provide rotating support for the pull fork 7. The driven assembly 11 is installed inside the elbow mounting seat 4 and is fixed by the cover plate 12 to assist the gas spring column 9 in working. The connecting plate 3 connects the elbow mounting seat 4 and the mounting base 1 to ensure the stability of the structure. The brake line mounting plate 13 is connected with the catch 14 through the pin shaft 6 and the spring and is installed inside the mounting base 1. The brake line connects the gas spring lower support 10 and the brake line mounting plate 13 to realize linkage. When the catch 14 is pulled, the brake line is tightened, the gas spring lower support 10 is pushed into the pressure relief valve at the bottom of the gas spring column 9, and the gas spring column 9 can freely extend or retract. At this time, the angle between the mounting base 1 and the elbow mounting seat 4 can be adjusted arbitrarily. When the catch 14 is released, the pressure relief valve resets, the angle is fixed, and the gas spring column 9 device controls the up-down swing angle of the mounting base 1 and the elbow mounting seat 4 and can be fixed at any position. The extension and retraction of the gas spring column 9 generate force to drive the relative movement of the two to adjust the angle. The angle is fixed by using the self-locking function. The catch 14 controls the force of the brake line mounting plate 13 to change the tightness of the brake line, drive the gas spring lower support 10 to press the pressure relief valve at the bottom of the gas spring column 9, and control the rotation of the rotating shaft 5 to realize angle adjustment.

[0031] Referring to Figure 1 and Figure 2 , the connecting mechanism 2 includes a connecting piece 201 fixedly connected to the outer wall of the front side of the catch 14. The outer wall of the connecting piece 201 is provided with connecting holes 202 on the left and right sides at the top. The connecting piece 201 and the catch 14 form a relatively stable whole. When the user operates the catch 14, the action of the catch 14 can be directly transmitted to the connecting piece 201, and then the force is transmitted to other components connected thereto through the connecting piece 201 to realize effective force transmission and linkage operation of the mechanism. The outer wall of the connecting piece 201 is provided with a plurality of threaded holes one 203 on the left and right sides. The outer wall of the brake line mounting plate 13 is provided with a plurality of threaded holes two 204 on the left and right sides. The inner wall of the plurality of threaded holes two 204 is provided with a plurality of screws 205. The plurality of threaded holes two 204 are provided with the screws 205 on the inner wall, which is a specific operation mode for connecting the brake line mounting plate 13 with the connecting piece 201. The screws 205 can be tightly matched with the inner wall of the threaded holes two 204. By tightening the screws 205, the brake line mounting plate 13 can be firmly fixed on the connecting piece 201. The use of the screws 205 ensures the strength and stability of the connection, prevents loosening or separation between the brake line mounting plate 13 and the connecting piece 201 during the operation of the mechanism, and the plurality of screws 205 are threadedly connected with the inner wall of the threaded holes two 204;

[0032] Specifically, the connecting mechanism 2 comprises a connecting plate 201, which serves to connect different components and transmit force and motion, is the core component of the connecting mechanism 2, is fixedly connected to the front side of the outer wall of the hand 14, and can form a stable whole with the connecting plate 201 according to the principle of force transmission. When the user operates the hand 14, the action of the hand 14 can be directly transmitted to the connecting plate 201, so that the connecting plate 201 becomes an intermediate link for transmitting force and motion. The top and left and right sides of the outer wall of the connecting plate 201 are provided with connecting holes 202. The left and right sides of the outer wall of the connecting plate 201 are provided with a plurality of threaded holes 203. The left and right sides of the outer wall of the brake line mounting plate 13 are provided with a plurality of threaded holes 204. The inner walls of the plurality of threaded holes 204 are provided with screws 205, and the plurality of screws 205 are threadedly connected with the inner walls of the threaded holes 204. This utilizes the principle of threaded connection, which has the characteristics of being detachable, adjustable, and capable of providing pre-tightening force. Tightening the screws 205 can firmly fix the brake line mounting plate 13 on the connecting plate 201, ensuring the strength and stability of the connection, preventing the two from loosening or separating during operation of the mechanism, and ensuring stable transmission of force and motion between the two.

[0033] With reference to Figure 1 , Figure 2 and Figure 3 , the front bottom of the mounting base 1 is provided with a groove 15. The outer wall of the groove 15 is designed to be smooth. The groove 15 reduces the overall weight of the mounting base 1, realizes lightweight design to a certain extent without affecting the main supporting function, which is particularly important for some application scenarios with weight requirements. The left and right sides of the mounting base 1 are provided with grooves 16. The inner walls of the two grooves 16 are provided with round holes 17 at the upper and lower ends. The round holes 17 are equidistantly arranged on the inner walls of the two grooves 16. The outer walls of the two round holes 17 are designed to be smooth. The groove 16 determines the position and direction of installation, ensuring the accuracy and stability of the connection.

[0034] Specifically, on the basis of meeting the main supporting function of the mounting base 1, the groove 15 reduces unnecessary use of materials, thereby reducing the overall weight and enhancing the structural strength and durability of the mounting base 1. Meanwhile, it also avoids the risk of scratching personnel during operation. The groove 16 provides clear position and direction guidance for the installation of other components, ensuring the accuracy and stability of the connection. The round hole 17 facilitates the installation of connecting pieces with the same spacing requirements, improving the universality and interchangeability of installation, and reducing production costs and maintenance difficulty.

[0035] With reference to Figure 1 and Figure 3The inner wall of the left circular hole one 17 is provided with a groove three 19 in the upper middle part. When installing some connecting pieces with protruding structures, the groove three 19 cooperates with the protrusions on the connecting pieces to play a positioning and fixing role, so that the connecting pieces can be accurately installed in the circular hole one 17, and displacement or shaking of the connecting pieces in the use process is prevented. The outer wall of the groove three 19 is designed to be smooth.

[0036] Specifically, the circular hole two 18 can meet this demand and can be used for installing auxiliary parts, sensors and the like, thereby enhancing the functionality and expandability of the mechanism, reducing the wear of the connecting pieces and the circular hole two 18 itself during the installation process, prolonging the service life of the parts, and improving the reliability of the entire mechanism. When installing the connecting pieces with protruding structures, the groove three 19 cooperates with the protrusions on the connecting pieces to play a precise positioning and stable fixing role. The smooth design can reduce friction with surrounding parts, reduce wear and noise, and also evenly distribute stress, enhance the structural strength of the groove three 19 part, evenly distribute force when the connecting plate 201 is connected with other parts, ensure the stability and reliability of the connection, and improve the overall performance of the mechanism.

[0037] Working principle: The angle adjustment and fixing functions are realized by taking the air spring column 9 as a core power component. The bottom of the air spring column 9 is fixed on the crank arm mounting seat 4 through the air spring lower support 10, and the top is connected with the rotating shaft 5 through the pull fork 7. The rotating shaft 5 is stably installed inside the crank arm mounting seat 4. The driven assembly 11 is installed on the inside of the crank arm mounting seat 4 and is fixed by the cover plate 12. The connecting plate 3 connects the crank arm mounting seat 4 and the mounting base 1 into a whole. In terms of operation, the brake cable mounting plate 13 is connected with the knob 14 through the pin shaft 6 and the spring and is installed on the inside of the mounting base 1. At the same time, the brake cable mounting plate 13 and the air spring lower support 10 are connected by a brake cable, achieving a linkage effect. When the user pulls the knob 14, the brake cable tightens, the air spring lower support 10 drives the bottom pressure relief valve of the air spring column 9 to enter, the pressure balance in the air spring column 9 is broken, and the air spring column 9 can freely stretch and retract, thereby the angle between the mounting base 1 and the crank arm mounting seat 4 can be adjusted at will. When the knob 14 is released, the pressure relief valve of the air spring column 9 returns to the original pressure state, so that the angle between the mounting base 1 and the crank arm mounting seat 4 is fixed.

[0038] And, by connecting piece 201 and buckle hand 14 fixed connection, form stable whole, when the user operation buckle hand 14, its action produces the force direct transmission to connecting piece 201, connecting piece 201 top left and right side connecting hole 202 can be used to connect other components, realize more extensive force transmission path extension, simultaneously, connecting piece 201 through outer wall left and right side multiple threaded hole one 203, with brake line mounting plate 13 outer wall left and right side multiple threaded hole two 204, by means of screw 205 carry out threaded connection, tighten screw 205, firmly fixed brake line mounting plate 13 on connecting piece 201, ensure the connection strength and stability, avoid when working, both loose separation, the operating force of buckle hand 14 can be effectively transmitted to brake line mounting plate 13 through connecting piece 201, realize the linkage operation of whole mechanism.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the present application is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified to the technical scheme recorded in the foregoing each embodiment, or to equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A gas spring adjustment mechanism comprising a mounting base (1) characterised in that: The inner wall of the mounting base (1) is fixedly connected with a connecting plate (3) in the middle of the front side, the inner wall of the connecting plate (3) is fixedly connected with a crank arm mounting seat (4), the inner wall of the crank arm mounting seat (4) is fixedly connected with a rotating shaft (5), the inner wall of the rotating shaft (5) is provided with a pin shaft (6), the bottom of the inner wall of the rotating shaft (5) is provided with an air spring upper support (8), the top of the rotating shaft (5) is provided with a pull fork (7), the pull fork (7) and the air spring upper support (8) are fixedly connected with the rotating shaft (5) through the pin shaft (6), the bottom of the air spring upper support (8) is fixedly connected with an air spring column (9), the bottom end of the air spring column (9) is fixedly connected with an air spring lower support (10), the left side of the inner wall of the crank arm mounting seat (4) is provided with a driven assembly (11), the left side of the outer wall of the crank arm mounting seat (4) is fixedly connected with a cover plate (12), the driven assembly (11) is fixedly connected with the crank arm mounting seat (4) through the cover plate (12), the left side of the inner wall of the mounting base (1) is fixedly connected with a brake cable mounting plate (13), the outer wall of the brake cable mounting plate (13) is provided with a handrail (14), the front side of the outer wall of the handrail (14) is provided with a connecting mechanism (2), the connecting mechanism (2) is used for mounting the handrail (14) and the brake cable mounting plate (13).

2. A gas spring adjustment mechanism according to claim 1, wherein: The connecting mechanism (2) comprises a connecting piece (201), the connecting piece (201) is fixedly connected to the outer wall of the front side of the handrail (14), the outer wall top of the connecting piece (201) is provided with a connecting hole (202) on the left and right sides, a plurality of threaded holes one (203) are formed on the left and right sides of the outer wall of the connecting piece (201), a plurality of threaded holes two (204) are formed on the left and right sides of the outer wall of the brake cable mounting plate (13), a plurality of screws (205) are arranged in the inner wall of the threaded holes two (204), and the plurality of screws (205) are in threaded connection with the inner wall of the threaded holes two (204).

3. A gas spring adjustment mechanism as defined in claim 1, wherein: The front bottom of the mounting base (1) is provided with a groove one (15), and the outer wall of the groove one (15) is designed in a smooth manner.

4. A gas spring adjustment mechanism as defined in claim 1, wherein: The left and right sides of the mounting base (1) are provided with grooves two (16), and the inner walls of the two grooves two (16) are provided with round holes one (17) at the upper and lower ends.

5. A gas spring adjustment mechanism according to claim 4, wherein: The round holes one (17) are equidistantly arranged on the inner walls of the two grooves two (16), and the outer walls of the two round holes one (17) are designed in a smooth manner.

6. A gas spring adjustment mechanism according to claim 5, wherein: The inner walls of the two round holes one (17) are provided with round holes two (18) on the left and right sides of the bottom, and the outer walls of the two round holes two (18) are designed in a smooth manner.

7. A gas spring adjustment mechanism according to claim 6, wherein: The inner wall of the left round hole one (17) is provided with a groove three (19) in the middle upper part, and the outer wall of the groove three (19) is designed in a smooth manner.

8. A gas spring adjustment mechanism as defined in claim 2, wherein: The top left and right sides of the connecting piece (201) are equidistantly provided with two connecting holes (202), and the outer walls of the two connecting holes (202) are designed in a smooth manner.

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