Miniature quick connector for rotary explosion-proof valve

Abstract

The utility model discloses a miniature quick connector for a rotary explosion-proof valve. The miniature quick connector comprises a main body, an ejector rod, a piston, a central rod assembly and a handle locking mechanism, the body is provided with a through cavity penetrating through the two faces, a concave-convex end arranged at one end of the body and at least two buckling parts arranged on the symmetrical sides of the body. One end of each ejector rod is fixed on the main body, and the other end of each ejector rod extends towards the direction of the through cavity; the piston is movably arranged in the through cavity, a floating connection structure is formed between the piston and the main body, and the extending end of the ejector rod penetrates through the piston; the center rod assembly is rotationally connected with the piston, one end of the center rod assembly extends out of the through cavity, and the center rod assembly is provided with a magnetic attraction structure. The handle locking mechanism is connected with the extending end of the center rod assembly and rotates at the concave-convex end to drive the center rod assembly and the piston to ascend and descend. According to the miniature quick connector, the piston is controlled to move up and down through the handle locking mechanism, so that the sealing accuracy and the quick connection with an anti-explosion valve sample piece are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack and explosion -proof valve technical field, concretely on the quick connector of explosion -proof valve of battery pack, can be used for the air tightness detection of battery pack body. BACKGROUND

[0002] Traditional detection tool is big in size, and the connecting operation is complicated, especially the connection is not firm, causes the air leakage, thereby influences the air tightness test of battery pack body, is easy to cause the misjudgment, influences the sealing performance of battery pack body. Meanwhile, in some automobile production line whole car test, test environment is small, and the existing quick connector cannot be connected to the explosion -proof valve, and then cannot complete the test.

[0003] Therefore, it is necessary to design an explosion -proof valve connector which can adapt to small space and the test direction can be adjusted to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model wants to solve the technical problem to provide a rotary explosion -proof valve micro quick connector, the purpose of designing the micro quick connector is to solve the problem of connecting in small space and to solve the problem of adjusting the connection direction of explosion -proof valve sample.

[0005] To solve the above technical problems, the utility model realizes through the following scheme: a rotary explosion -proof valve micro quick connector of the utility model, comprising:

[0006] Main body, the main body has through two sides cavity, the concave-convex end arranged in one end of the main body and at least two buckles arranged in the symmetrical side of the main body;

[0007] The top rod is provided with a plurality of roots, and one end of the top rod is fixed to the main body, and the other end of the top rod extends to the cavity direction;

[0008] Piston, the piston is movably arranged in the cavity, and a floating connection structure is formed between the piston and the main body, and the extension end of the top rod passes through the piston;

[0009] Center rod assembly, rotatably connected with the piston, one end of the center rod assembly extends out of the cavity, and the center rod assembly is provided with a magnetic attraction structure;

[0010] Handle locking mechanism, connected with the extension end of the center rod assembly, driven by rotating the concave-convex end to lift the center rod assembly and the piston.

[0011] Further, the main body is a "convex" structure, the convex end is a convex ring, the concave-convex end is arranged at the end of the convex ring, and the coaxial groove of the concave-convex end is divided into coaxial high slot and coaxial low slot, and the coaxial high slot and coaxial low slot are arranged at intervals.

[0012] Further, the piston is annular structure, wherein the middle part is a through hole, and one end of the through hole has a stepped groove.

[0013] Further, the floating connection structure comprises:

[0014] A plurality of blind grooves are arranged on the first surface of the piston, and the plurality of blind grooves are arranged in an annular array around the through hole.

[0015] A plurality of springs are arranged in the plurality of blind grooves one by one, and the other ends of the plurality of springs abut against the main body.

[0016] A floating spring is sleeved on the outer side of the center rod assembly, and the two ends of the floating spring abut against the main body and the piston respectively.

[0017] Further, the center rod assembly comprises a center rod and a magnet, and the center rod is a single-opening cylindrical structure, and the edge of the closed end of the center rod is outwardly convex to form a convex rafter.

[0018] The opening end of the center rod passes through the through hole and extends out of the through cavity until the convex rafter is limited in the stepped groove.

[0019] A first recessed ring is arranged in the through hole, and a first sealing ring is embedded in the first recessed ring, and the center rod passes through the first sealing ring to form a first sealing structure.

[0020] The magnet is arranged in the bottom of the inner cavity of the center rod to form the magnetic attraction structure.

[0021] Further, the cylindrical body of the center rod is provided with a coaxial hole, and the coaxial hole is perpendicular to the length direction of the center rod.

[0022] The handle locking mechanism comprises a handle, two bearings and a retainer, the two bearings are arranged on the outer side of the coaxial hole and close to the coaxial hole, and the connecting section of the handle passes through the coaxial hole and is fixed with the inner rings of the two bearings.

[0023] The outer end of the connecting section of the handle is limited by the retainer and the step at the connecting section of the handle limits the second bearing.

[0024] Further, the two bearings can roll on the concave-convex end.

[0025] Further, the second surface of the piston is a fastening surface, and a groove ring is arranged on the edge of the fastening surface, and a third sealing ring is embedded in the groove ring.

[0026] Further, the annular surface of the piston is further provided with two through holes, and the two through holes are symmetrically arranged with the through hole as a reference point, and the top rod is provided with two rods, and the extension ends of the two rods enter the through holes.

[0027] The through hole is internally provided with a second concave ring, the second concave ring is internally embedded with a second sealing ring, and the ejector rod passes through the second sealing ring to form a second sealing structure.

[0028] Further, one side of the piston is provided with a pressure relief hole, and the pressure relief hole is connected with a plug.

[0029] Compared with the prior art, the utility model has the beneficial effects that:

[0030] 1. The micro quick connector is suitable for various micro working conditions, has a small structure, adopts an integrated hook, is convenient to operate by optimizing the use of the main body in a narrow space, and meets more test working conditions.

[0031] 2. The micro quick connector controls the up-down movement of the piston through the handle locking mechanism, ensures the sealing accuracy and the quick connection with the explosion-proof valve sample.

[0032] 3. The micro quick connector is further provided with a magnetic attraction structure, and the magnetic attraction structure is used for quickly positioning the explosion-proof valve sample.

[0033] 4. The micro quick connector is further provided with an ejector rod to separate the magnet from the explosion-proof valve sample, when the piston moves upwards, the ejector rod pushes against the end cover of the explosion-proof valve sample to force the magnet and the explosion-proof valve sample to separate. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is an exploded view of the micro quick connector.

[0035] Figure 2 It is a connection structure diagram of the micro quick connector and the explosion-proof valve sample.

[0036] Figure 3 It is a first perspective view of the micro quick connector.

[0037] Figure 4 It is a second perspective view of the micro quick connector.

[0038] Figure 5 It is a main body structure diagram.

[0039] Figure 6 It is a first perspective view of the piston.

[0040] Figure 7 It is a second perspective view of the piston.

[0041] Marked in the drawing: bearing 1, joint 2, air pipe 3, magnet 4, main body 5, top rod 6, center rod 7, piston 8, handle 9, plug 10, first sealing ring 11, second sealing ring 12, third sealing ring 13, spring 14, floating spring 15, retaining ring 16, buckle part 51, through cavity 52, convex ring 53, coaxial low position groove 54, coaxial high position groove 55, through hole 81, blind groove 82, via hole 83, pressure relief hole 84, groove ring 85, micro quick connector 100, explosion-proof valve-like piece 200. DETAILED DESCRIPTION

[0042] 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, so that the advantages and characteristics of the present application can be more easily understood by those skilled in the art, and the protection scope of the present application can be more clearly and definitely defined. Obviously, the embodiments described in the present application are only part of the embodiments of the present application, not 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.

[0043] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as there is no conflict between them.

[0044] Embodiment 1: The specific structure of the present application is as follows:

[0045] Please refer to the accompanying Figures 1-7 The micro quick connector for the rotary explosion-proof valve of the present application comprises a main body 5, a top rod 6, a piston 8, a center rod assembly and a handle locking mechanism.

[0046] The main body 5 has a through cavity 52 penetrating two sides, a concave-convex end provided at one end of the main body 5 and at least two buckle parts 51 provided on the symmetric sides of the main body 5. Figure 5 As shown in the figure, the main body 5 is a "convex" structure, the convex end of which is a convex ring 53, and the concave-convex end is provided at the end of the convex ring 53 and the coaxial concave groove of the concave-convex end is divided into a coaxial high position groove 55 and a coaxial low position groove 54, and the coaxial high position groove 55 and the coaxial low position groove 54 are arranged at intervals. The slope surface between the coaxial high position groove 55 and the coaxial low position groove 54 is smoothly transitioned, which can meet the rolling of the circular structure.

[0047] The top rod 6 is provided with a plurality of rods, one end of which is fixed to the main body 5, and the other end of which extends in the direction of the through cavity 52. Figure 1 As shown in the figure, the top rod 6 is provided with 2 rods, and the function of the top rod 6 is to push against the explosion-proof valve-like piece 200 when the micro quick connector of the present application is separated from the explosion-proof valve-like piece 200, so that the explosion-proof valve-like piece 200 is more easily separated.

[0048] The piston 8 is movably arranged in the through cavity 52, and forms a floating connection structure with the main body 5. The extended end of the top rod 6 penetrates the piston 8. The piston 8 is annular in structure, and has a through hole 81 in the middle. The through hole 81 has a stepped groove at one end. The floating connection structure comprises a plurality of blind grooves 82 arranged on the first surface of the piston 8, a plurality of springs 14, and a floating spring 15. The plurality of blind grooves 82 are arranged in an annular array around the through hole 81. Each spring 14 is arranged in one of the blind grooves 82, and the other end of each spring 14 abuts against the main body 5. The floating spring 15 is sleeved on the outer surface of the center rod assembly, and the two ends of the floating spring 15 abut against the main body 5 and the piston 8 respectively. From the above, Figure 3 and Figure 4 It can be seen that the piston 8 can move up and down in the through cavity 52 through the floating spring 15 and the plurality of springs 14. The second surface of the piston 8 is a fastening surface, and a groove ring 85 is arranged at the edge of the fastening surface. The groove ring 85 is embedded with a third sealing ring 13.

[0049] The center rod assembly is rotatably connected with the piston 8, and one end of the center rod assembly extends out of the through cavity 52. The center rod assembly is provided with a magnetic attraction structure. The center rod assembly comprises a center rod 7 and a magnet 4. The center rod 7 is a single-opening cylindrical structure, and the edge of the closed end of the center rod 7 is outwardly protruding to form a protruding rafter. The opening end of the center rod 7 penetrates the through hole 81 and extends out of the through cavity 52 until the protruding rafter is limited in the stepped groove. A first recessed ring is arranged in the through hole 81, and the first recessed ring is embedded with a first sealing ring 11. The center rod 7 penetrates the first sealing ring 11 to form a first sealing structure. The magnet 4 is arranged in the bottom of the inner cavity of the cylinder of the center rod 7 to form the magnetic attraction structure. The cylinder of the center rod 7 is provided with a coaxial hole which is perpendicular to the length direction of the center rod 7.

[0050] The handle locking mechanism is connected with the extended end of the center rod assembly, and the handle locking mechanism drives the center rod assembly and the piston 8 to move up and down by rotating the concave-convex end. The handle locking mechanism comprises a handle 9, two bearings 1, and a retainer ring 16. The two bearings 1 are separately arranged outside the coaxial hole and closely contact the coaxial hole. The connecting section of the handle 9 penetrates the coaxial hole and is fixed with the inner rings of the two bearings 1. The outer end of the connecting section of the handle 9 is limited by the retainer ring 16, and the step at the connecting section of the handle 9 limits the second bearing 1. The two bearings 1 can roll on the concave-convex end.

[0051] The annular surface of the piston 8 is further provided with two through holes 83 which are symmetrically arranged with the through hole 81 as a reference point. The top rod 6 is provided with two rods, and the extended ends of the two rods enter the through holes 83.

[0052] A second recessed ring is arranged in the through hole 83, and the second recessed ring is embedded with a second sealing ring 12. The top rod 6 penetrates the second sealing ring 12 to form a second sealing structure.

[0053] One side of the piston 8 is provided with a pressure relief hole 84, and the pressure relief hole 84 is connected with a plug 10, when pressure relief is needed, the plug 10 is opened to release pressure, and when testing, the plug 10 blocks the pressure relief hole 84.

[0054] As shown in Figure 4 The piston 8 of the utility model further has an air inlet hole, a connector 2 is installed at the air inlet hole, an air pipe 3 is connected to the outer end of the connector 2, and the air pipe 3 is connected to a gas pressure generating device through a pipeline. Preferably, the connector 2 is a quick plug connector, and the air pipe 3 is a transparent air pipe.

[0055] Embodiment 2:

[0056] I. As shown in Figures 1-4 The following is the process of connecting the micro quick connector of the utility model with the explosion-proof valve sample 200: rotating the handle 9, so that the two bearings 1 are located in the coaxial high-position groove 55, and the piston 8 is moved upward and is limited to be inactivated. The explosion-proof valve sample 200 is installed into the main body 5 and is buckled by the two buckle parts 51 of the main body 5.

[0057] Rotating the handle 9 by 90 degrees again, so that the two bearings 1 are located in the coaxial low-position groove 54, and then the center rod 7 moves downward, the piston 8 is moved downward by the floating spring 15 and the plurality of springs 14, the magnet 4 is magnetically attracted to the end cover of the explosion-proof valve sample 200, and the valve of the explosion-proof valve sample 200 is automatically opened. Since the third sealing ring 13 is sealed to the explosion-proof valve sample 200, a sealed chamber is formed between the piston 8, the explosion-proof valve sample 200, the plug 10, the connector 2 and the air pipe 3, and the test is started. The utility model can be used in a small space by optimizing the shape of the main body, so as to meet more test requirements.

[0058] II. The separation process of the micro quick connector 100 of the utility model and the explosion-proof valve sample 200: the micro quick connector of the utility model is provided with a magnet separation mechanism when designed, the handle 9 is rotated by 90 degrees, so that the two bearings 1 return to the coaxial high-position groove 55, the handle 9 rises and the center rod 7 rises, and the center rod 7 rises with the piston 8. When the piston 8 rises, the two top rods 6 will abut against the end cover of the explosion-proof valve sample 200, so as to prevent the magnet 4 from continuing to magnetically attract the explosion-proof valve sample 200, the explosion-proof valve sample 200 is taken out, and the quick separation of the micro quick connector of the utility model and the explosion-proof valve sample 200 is realized.

[0059] In summary, the utility model discloses micro quick connector adapts to multiple micro working conditions, the utility model discloses micro quick connector structure is small, and it adopts integral hook, and through optimizing main part in narrow space use, convenient operation satisfies more test working condition. The utility model discloses micro quick connector through handle locking mechanism control piston's up and down movement, ensure sealing accuracy and with the quick connection of explosion -proof valve sample piece. The utility model discloses micro quick connector still is provided with magnetic attraction structure, and through magnetic attraction structure quick positioning explosion -proof valve sample piece. The utility model discloses micro quick connector still sets up and realizes the separation of magnet and explosion -proof valve sample piece with the top rod, when the piston goes up, and the top rod is pressed against the end cover of explosion -proof valve sample piece and forces magnet and explosion -proof valve sample piece to separate.

[0060] The above description is merely preferred embodiments of the utility model, and does not limit the patent range of the utility model, and equivalent structure or equivalent flow transformation using the utility model specification and attached drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A miniature quick connector for a rotary explosion relief valve, characterized by, The utility model relates to a kind of magnetic handle locking mechanism, including: Main body (5), the main body (5) has through two sides cavity, is provided at the one end of main body (5) and is provided at the symmetric side of the main body (5) at least two buckling parts (51); Top rod (6), the top rod (6) is provided with multiple, its one end is fixed to the main body (5), its other end extends to the direction of through cavity; Piston (8), the piston (8) is movably provided in the through cavity, and floating connection structure is formed between the piston (8) and the main body (5), and the extended end of the top rod (6) passes through the piston (8); Center rod assembly, rotatably connected with the piston (8), one end extends out of the through cavity, and the center rod assembly is provided with magnetic attraction structure; Handle locking mechanism, connected with the extended end of the center rod assembly, is driven the center rod assembly and piston (8) lifting by rotating in the convex-concave end through the handle locking mechanism.

2. A miniature quick connector for a rotary explosion relief valve according to claim 1, characterized in that The main body (5) is "convex” type structure, and the convex end is a convex ring (53), and the convex-concave end is arranged at the end of the convex ring (53), and the coaxial groove of the convex-concave end is divided into coaxial high-position groove (55) and coaxial low-position groove (54), and the coaxial high-position groove (55) and coaxial low-position groove (54) are arranged at intervals.

3. A miniature quick connector for a rotary explosion valve according to claim 1, characterized in that The piston (8) is annular structure, and the middle part is through hole (81), and the one end of the through hole (81) has step groove.

4. A micro quick connector for a rotary explosion valve according to claim 3, characterized in that The floating connection structure includes: A plurality of blind grooves (82) are provided on the first surface of the piston (8), and the plurality of blind grooves (82) are arranged in an annular array around the through hole (81); A plurality of springs (14) are provided in the plurality of blind grooves (82) one by one, and the other end of each spring (14) abuts against the main body (5); Floating spring (15), sleeved on the outer surface of the center rod assembly, and the two ends of the floating spring (15) abut against the main body (5) and the piston (8) respectively.

5. A miniature quick connector for a rotary explosion valve according to claim 4, characterized in that The center rod assembly includes a center rod (7) and a magnet (4), the center rod (7) is a single-opening cylindrical structure, and the closed end edge of the center rod (7) is outwardly convex to form a convex rafter; The opening end of the center rod (7) passes through the through hole (81) and extends out of the through cavity, until the convex rafter is limited in the step groove; A first recessed ring is arranged in the through hole (81), and the first recessed ring is embedded with a first sealing ring (11), and the center rod (7) passes through the first sealing ring (11) to form a first sealing structure; The magnet (4) is arranged in the bottom of the inner cavity of the center rod (7) to form the magnetic attraction structure.

6. A miniature quick connector for a rotary explosion relief valve according to claim 5, characterized in that The cylindrical extension end of the center rod (7) is provided with a coaxial hole, and the coaxial hole is perpendicular to the length direction of the center rod (7); The handle locking mechanism includes a handle (9), two bearings (1) and a retainer ring (16), the two bearings (1) are separately arranged on the outer side of the coaxial hole and closely contact the coaxial hole, and the connecting section of the handle (9) is arranged in the coaxial hole and fixed with the inner ring of the two bearings (1); The outer end of the connecting section of the handle (9) limits the first bearing (1) through the retainer ring (16), and the step at the connecting section of the handle (9) limits the second bearing (1).

7. A miniature quick connector for a rotary explosion valve according to claim 6, characterized in that Both bearings (1) can roll in the convex-concave end.

8. A micro quick connector for a rotary explosion relief valve according to claim 4, wherein The second surface of the piston (8) is a fastening surface, and a groove ring (85) is arranged on the edge of the fastening surface, and the third sealing ring (13) is embedded in the groove ring (85).

9. A micro quick connector for a rotary explosion relief valve according to claim 4, wherein The ring surface of the piston (8) is also provided with two through holes (83), which are symmetrically arranged with the through hole (81) as the reference point, and the piston rod (6) is provided with two, and the extension end enters the through hole; A second recessed ring is arranged in the through hole (83), and a second sealing ring (12) is embedded in the second recessed ring, and the piston rod (6) passes through the second sealing ring (12) to form a second sealing structure.

10. A micro quick connector for a rotary explosion relief valve according to claim 3, wherein One side of the piston (8) is provided with a pressure relief hole, and the pressure relief hole is connected with a plug (10).

Images