Gas spring with self-locking structure

Abstract

The utility model discloses a gas spring with a self-locking structure, and relates to the technical field of gas springs, the gas spring with the self-locking structure comprises a shell, the main body of the shell is of a right-side one-way opening structure, the right end face of the shell is fixedly connected with a mounting plate A of an annular structure, and the right end face of the shell is fixedly connected with the mounting plate A; according to the utility model, the guide ball rotationally connected in the limiting block is arranged, so that when gas in the shell and the pipe sleeve circulates, the current guide ball can be rotationally driven by holding the knob arranged on the outer side of the connecting pipe, and the current gas path circulation control between the shell and the pipe sleeve is realized; by arranging the connecting pipe, the shell and the pipe sleeve which are of a split structure, the closed structure is arranged on the inner side of the connecting pipe, and it can be ensured that when normal self-locking operation is affected by abrasion of the closed structure through a corresponding detachable structure, only the connecting pipe needs to be detached and then independently replaced for use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas spring, concretely to a gas spring with self -locking structure. BACKGROUND

[0002] The gas spring is a kind of industrial fittings that can support, buffer, brake, height adjustment and angle adjustment etc. It is composed of the following parts: pressure cylinder, piston rod, piston, sealing guide sleeve, filler (inert gas or oil-gas mixture), cylinder control element and cylinder control element (pointing to controllable gas spring) and joint etc., the existing patent a compression gas spring with self -locking structure, patent publication number CN220956562U including cylinder barrel, the piston rod is slidably connected in the cylinder barrel inner end, the cylinder barrel right side is fixedly connected with end head, the piston rod left side is fixedly connected with the end of the rod, the piston rod is equipped with the piston close to cylinder barrel inner end, the cylinder barrel inner side right end is equipped with steel ball lock, the piston rod front side is slidably connected with slide column, the slide column inner end is equipped with positioning piece, the slide column back end is fixedly connected with slide rod, the utility model relates to the technical field of compression gas spring. The compression gas spring with self -locking structure, when locking piece is unlocked, and piston moves to locking groove, accessory locking groove, steel ball lock end, spring assembly pushes and drags block, slide rod etc. Movement, the block is pushed by the traction rod to make the steel ball pop into the corresponding locking end, realize self -locking, when needing to unlock, slide column, slide rod are pushed reversely, at this time, each link resets, and the steel ball is extracted from the locking end.

[0003] For the related technology in the above, the inventor considers that there are the following defects: when the gas spring is used, the flow of gas needs to be controlled by the control valve, and the control valve is inevitably worn out when frequently opened, if the control valve is in high-pressure wear state for a long time, since it is integrally connected with the outer side of the gas spring, it is inconvenient to replace subsequently, therefore, the utility model provides a gas spring with self -locking structure to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides a gas spring with self -locking structure, which solves the problems that the flow of gas needs to be controlled by the control valve, the control valve is inevitably worn out when frequently opened, if the control valve is in high-pressure wear state for a long time, since it is integrally connected with the outer side of the gas spring, it is inconvenient to replace subsequently.

[0005] In order to achieve the above object, the utility model discloses a gas spring with self-locking structure through the following technical schemes: a gas spring with self-locking structure, including the casing, the main body of casing is right side one-way opening structure, the right end surface of casing is fixedly connected with the mounting plate A of ring structure, the inside of mounting plate A is ring array and is opened with the through hole, and the through hole is the mounting hole, and the inside of mounting hole is installed with fixed peg, the right end surface of casing is fixedly connected with the spout A, the diameter of spout A is less than the diameter of casing, and spout A is two -way through structure to the left and right sides, and the outer periphery of casing is fixedly connected with the base plate in ring array.

[0006] Preferably, the right side of the casing is sleeved with a connecting pipe, the connecting pipe is a two-way through structure to the left and right sides, and two mounting plates B are fixedly connected to the outer side of the connecting pipe.

[0007] Preferably, a limiting block with a circular cross section is fixedly connected to the inside of the connecting pipe, a groove is formed in the inside of the limiting block, and a guide ball is rotatably connected to the inside of the groove.

[0008] Preferably, the guide ball is a solid structure, and a through hole is formed in the inside of the guide ball, which is an air hole.

[0009] Preferably, a knob is fixedly connected to the outside of the guide ball, the knob is located on the outside of the connecting pipe, and a pipe sleeve is mounted on the right side of the connecting pipe.

[0010] Preferably, the pipe sleeve is a hollow structure, and an installation plate C is fixedly connected to the outside of the pipe sleeve, the cross section of the installation plate C is larger than the diameter of the pipe sleeve, and the installation plate C is fixedly connected to the left side of the pipe sleeve.

[0011] Preferably, a spout B is fixedly connected to the left side of the pipe sleeve, the diameter of the spout B is less than the diameter of the pipe sleeve, a sealing ring with a ring structure is fixedly connected to the opening inner wall on the right side of the pipe sleeve, a piston is inserted into the inside of the pipe sleeve, and a push rod is fixedly connected to the right side of the piston.

[0012] The utility model provides a gas spring with self-locking structure.

[0013] The gas spring with self-locking structure, by being provided with the guide ball rotatably connected in the limiting block, when the gas in the casing and the pipe sleeve flows, the current guide ball can be driven to rotate by holding the knob provided on the outside of the connecting pipe, the gas flow control between the current casing and the pipe sleeve is realized, and the practicability of the device as a whole is further improved.

[0014] The gas spring with the self-locking structure, through the split type structure of the connecting pipe and the shell and the pipe sleeve, makes the closed structure arranged at the inner side of the connecting pipe, and through the corresponding detachable structure, when the closed structure is affected by the normal self-locking operation due to wear, only the connecting pipe needs to be disassembled and replaced alone. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view structure schematic diagram of the gas spring after being cut;

[0016] Figure 2 It is the front side view structure schematic diagram of the gas spring;

[0017] Figure 3 It is the connecting pipe and the limiting block combined structure schematic diagram of the gas spring;

[0018] Figure 4 It is the shell and the push rod combined structure schematic diagram of the gas spring;

[0019] Figure 5 It is the shell and the base plate combined structure schematic diagram of the gas spring;

[0020] Figure 6 It is the top view structure schematic diagram of the gas spring.

[0021] In the drawing: 1, shell; 101, mounting plate A; 102, mounting hole; 103, fixed bolt; 104, insertion pipe A; 105, base plate; 2, connecting pipe; 201, limiting block; 202, mounting plate B; 203, guide ball; 204, air hole; 205, knob; 3, pipe sleeve; 301, mounting plate C; 302, insertion pipe B; 303, sealing ring; 304, piston; 305, push rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figure 1 - Figure 6The utility model provides a technical scheme: a gas spring with self locking structure, including casing 1, the main part of casing 1 is right side one-way opening structure, the right end surface of casing 1 is fixedly connected with the mounting plate A101 of annular structure, the inside of mounting plate A101 is opened with through hole in annular array, the through hole is mounting hole 102, the inside of mounting hole 102 is installed with fixed peg 103, the right end surface of casing 1 is fixedly connected with the spout A104, the diameter of spout A104 is less than the diameter of casing 1, and spout A104 is two -way through structure in left and right sides, and the outer periphery of casing 1 is fixedly connected with base plate 105 in annular array,

[0024] Through the outside of casing 1 is fixedly connected with three base plates 105 in annular array, when using, the quick installation of casing 1 can be realized.

[0025] Refer to Figure 1 、 Figure 5 , the right side of casing 1 is sleeved with connecting pipe 2, and connecting pipe 2 is two -way through structure in left and right sides, and the outside of connecting pipe 2 is fixedly connected with two mounting plates B202 oppositely;

[0026] Through the outside of connecting pipe 2 is fixedly connected with two mounting plates B202 oppositely, when using, quick splicing can be realized.

[0027] Refer to Figure 3 、 Figure 4 , the inside central position of connecting pipe 2 is fixedly connected with the limiting block 201 of circular section, the inside of limiting block 201 is opened with recess, and the inside of recess is rotatably connected with guide ball 203;

[0028] Through the inside of connecting pipe 2 is fixedly connected with limiting block 201, when using, the installation of guide ball 203 can be realized.

[0029] Refer to Figure 2 、 Figure 4 , guide ball 203 is solid structure, and the inside of guide ball 203 is opened with through hole, and the through hole is air hole 204;

[0030] Through the inside of guide ball 203 is opened with air hole 204, when using, the flow of gas can be controlled.

[0031] Refer to Figure 1 、 Figure 5 , the outside of guide ball 203 is fixedly connected with knob 205, knob 205 is located the outside position of connecting pipe 2, and the right side of connecting pipe 2 is installed with pipe sleeve 3;

[0032] A knob 205 is fixedly connected to the outside of the guide ball 203, so that the air passage can be controlled when it is in use, and a valve core structure for air injection is provided on the rear side of the housing 1.

[0033] See Figure 3 , Figure 6 The sleeve 3 has an internal hollow structure, and the outer side of the sleeve 3 is fixedly connected to the mounting plate C301. The cross section of the mounting plate C301 is larger than the diameter of the sleeve 3. The left side of the sleeve 3 is fixedly connected to the mounting plate C301.

[0034] By fixing the mounting plate C301 to the outside of the sleeve 3, it can be quickly spliced ​​and connected to the connecting pipe 2 during use.

[0035] See Figure 1 , Figure 2 A tube B302 is fixedly connected to the left side of the sleeve 3. The diameter of the tube B302 is smaller than the diameter of the sleeve 3. A sealing ring 303 with an annular structure is fixedly connected to the inner wall of the opening on the right side of the sleeve 3. A piston 304 is inserted into the inside of the sleeve 3. A push rod 305 is fixedly connected to the right side of the piston 304.

[0036] By fixing a push rod 305 to the outside of the piston 304, gas compression can be achieved during use.

[0037] During operation, when installing the gas spring, the connecting pipe 2 is installed to the inner side of the housing 1 and the sleeve 3 using the two mounting plates B202 fixedly connected to its outer side. During installation, the insertion tube A104 fixedly connected to the outer side of the housing 1 and the insertion tube B302 fixedly connected to the inner wall of the sleeve 3 are inserted into the groove opened in the connecting pipe 2 to complete the sealing operation. When in use, the high-pressure inert gas is injected through the valve core structure opened on the rear side of the outer peripheral surface of the housing 1 using an air pump.

[0038] Furthermore, when in use, the piston 304 and push rod 305 will be ejected outward under the action of the inert gas filled in the housing 1. After ejecting to a suitable length, the guide ball 203 can be rotated inside the limiting block 201 by holding the knob 205 fixedly connected to the outside of the guide ball 203. When the air hole 204 is in a state of intersecting with the channels in the housing 1 and the sleeve 3, the channels in the housing 1 and the sleeve 3 are in a sealed state. At this time, the push rod 305 and piston 304 are in a locked state, thereby achieving the purpose of self-locking.

[0039] In summary, the device, by incorporating a guide ball 203 rotatably connected to the limiting block 201, enables rapid airflow and closure.

[0040] Also, any format not described in detail herein is considered to be conventional and well known by those skilled in the art.

Claims

1. A gas spring with self-locking structure, comprising a shell (1), the main body of the shell (1) is a right side one-way opening structure, characterized in that: The right end surface of the shell (1) is fixedly connected with an annular mounting plate A (101), the inside of the mounting plate A (101) is provided with a through hole in an annular array, the through hole is a mounting hole (102), the inside of the mounting hole (102) is provided with a fixing bolt (103), the right end surface of the shell (1) is fixedly connected with a pipe A (104), the diameter of the pipe A (104) is smaller than the diameter of the shell (1), and the pipe A (104) is a left-right bidirectional through structure, and the outer circumferential surface of the shell (1) is fixedly connected with a base plate (105) in an annular array.

2. The gas spring with self-locking structure according to claim 1, characterized in that: The right side of the shell (1) is sleeved with a connecting pipe (2), the connecting pipe (2) is a left-right bidirectional through structure, and the outer side of the connecting pipe (2) is fixedly connected with two mounting plates B (202) in opposition.

3. The gas spring with self-locking structure according to claim 2, characterized in that: The inside of the connecting pipe (2) is fixedly connected with a limiting block (201) with a circular cross section at the central position, the inside of the limiting block (201) is provided with a groove, and the inside of the groove is rotatably connected with a guide ball (203).

4. The gas spring with self-locking structure according to claim 3, characterized in that: The guide ball (203) is a solid structure, and the inside of the guide ball (203) is provided with a through hole, which is an air hole (204).

5. The gas spring with self-locking structure according to claim 4, characterized in that: The outside of the guide ball (203) is fixedly connected with a knob (205), the knob (205) is located at the outside of the connecting pipe (2), and the right side of the connecting pipe (2) is provided with a pipe sleeve (3).

6. The gas spring with self-locking structure according to claim 5, characterized in that: The pipe sleeve (3) is an internal hollow structure, and the outside of the pipe sleeve (3) is fixedly connected with a mounting plate C (301), the cross section of the mounting plate C (301) is larger than the diameter of the pipe sleeve (3), and the left side of the pipe sleeve (3) is fixedly connected with a mounting plate C (301).

7. The gas spring with self-locking structure according to claim 6, characterized in that: The left side of the pipe sleeve (3) is fixedly connected with a pipe B (302), the diameter of the pipe B (302) is smaller than the diameter of the pipe sleeve (3), the right side opening inner wall of the pipe sleeve (3) is fixedly connected with an annular sealing ring (303), the inside of the pipe sleeve (3) is inserted with a piston (304), and the right side of the piston (304) is fixedly connected with a push rod (305).

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