CN219378705U - Self-locking assembly for pneumatic equipment - Google Patents
Self-locking assembly for pneumatic equipment Download PDFInfo
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- CN219378705U CN219378705U CN202223406763.5U CN202223406763U CN219378705U CN 219378705 U CN219378705 U CN 219378705U CN 202223406763 U CN202223406763 U CN 202223406763U CN 219378705 U CN219378705 U CN 219378705U
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- locking ring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a self-locking assembly for pneumatic equipment, which comprises a supporting assembly member, a locking switching member, a switching positioning member, a locking driving member and an unlocking driving member, wherein a locking ring matched with a piston rod is arranged in a supporting housing, the locking ring can deflect in the supporting assembly member by taking a spherical end as a fulcrum, when the axis of the locking ring forms an included angle with the axis of the piston rod, the inner wall of the locking ring is abutted with the outer wall of the piston rod, a torsion force is applied to the piston rod, so that the piston rod is in a locking state, when the axis of the locking ring is overlapped with the axis of the piston rod, the inner wall of the locking ring is separated from the outer wall of the piston rod, the piston rod is in an unlocking state, a driving spring is further arranged, the tail end of the driving spring is abutted to the outer part of the locking ring, and an axial locking force is applied to the locking ring, so that the locking ring is driven to deflect to the locking state by taking the spherical end as the fulcrum, and then the piston rod stops moving, thereby reducing the probability of misoperation, and improving the precision of a die stamping process.
Description
Technical Field
The utility model relates to a die device, in particular to a self-locking assembly for a pneumatic device.
Background
In order to cope with the increase of labor cost and improve production efficiency, the automobile host factory pursues high-automation production at present, so that personnel are not allowed to participate in carrying and clamping in the processes of automatic changing of a die and automatic clamping and stamping of metal plates, when the metal plates do not need to be punched, the punch heads of the pneumatic fixing seats need to retract, and when the punch heads need to stretch out to be punched, the punch factories often pull out the air pipes in order to prevent the interference of the air pipes in the stamping process, and therefore the air cylinders of the pneumatic fixing seats lose pressure. For example, CN107199288A discloses a self-locking pneumatic quick die clamping mechanism, which comprises an upper die clamping mechanism connected with a bending machine and a pneumatic system for generating clamping force, wherein a compression wedge is arranged in the upper die clamping mechanism, a piston wedge is arranged in the pneumatic system, the compression wedge is in matched contact with an inclined plane of the piston wedge to form a self-locking structure, a die clamping part is inserted into a square groove at the lower end of a clamp body, a button hook can be arranged in a groove at the side surface of the square groove of the clamp body so as to prevent the die from falling off, a pneumatic locking switch is started to pressurize a cylinder, the cylinder pushes the piston wedge to move downwards, the piston wedge pushes the compression wedge to move forwards, the compression wedge pushes a clamping block to move forwards, and the clamping block is pressed into the die clamping groove to clamp the die, at the moment, the piston wedge and the compression wedge are matched by inclined planes to form a self-locking structure, and even if the pressure of the cylinder changes, the compression wedge cannot loosen. However, such a pneumatic system employs a slope between the piston wedge and the pressing wedge as a self-locking structure, the locked state of which is easily loosened, and thus, it is necessary to design a self-locking assembly to overcome the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to provide a self-locking assembly for pneumatic equipment, which is convenient for self-locking operation of the pneumatic equipment.
The utility model adopts the technical proposal for solving the technical problems that:
a self-locking assembly for a pneumatic device, comprising:
a support fitting member having a fitting accommodating space therein, which is fitted with a piston rod of the pneumatic device, the piston rod being passable therethrough;
the locking switching member is arranged in the supporting assembly member through a movable structure, the shape of the locking switching member is matched with that of a piston rod of the pneumatic equipment, the locking switching member can be switched to a locking state or an unlocking state in the supporting assembly member, the locking switching member is matched with the piston rod when the locking switching member is in the locking state, the position of the piston rod is locked, and the locking switching member is separated from the piston rod when the locking switching member is in the unlocking state, so that the piston rod can normally operate;
the switching positioning component is arranged on the locking switching component and is arranged in the supporting assembly component through a movable structure, so that the locking switching component can switch a state in the supporting assembly component through the switching positioning component;
the locking driving component is arranged in the supporting assembly component and is matched with the locking switching component, and the locking driving component can drive the locking switching component to switch to a locking state;
the unlocking driving member is arranged in the supporting assembly member and is matched with the locking switching member, and the unlocking driving member can drive the locking switching member to switch to an unlocking state;
characterized in that the lock switching member includes:
the locking ring is positioned in the supporting and assembling member and sleeved outside the piston rod, and a gap is reserved between the outer wall of the locking ring and the supporting and assembling member so that the locking ring can deflect in the supporting and assembling member;
the transfer positioning member includes:
the positioning pin rod is arranged on the side part of the locking ring and protrudes outwards along the radial direction of the locking ring, the tail end of the positioning pin rod is provided with a spherical end head, the spherical end head is matched with the supporting assembly member, so that the locking ring can deflect in the supporting assembly member by taking the spherical end head as a fulcrum, when the axis of the locking ring forms an included angle with the axis of the piston rod, the inner wall of the positioning pin rod is abutted with the outer wall of the piston rod, a torsion force is applied to the piston rod, so that the piston rod is in a locking state, and when the axis of the locking ring is overlapped with the axis of the piston rod, the inner wall of the positioning pin rod is separated from the outer wall of the piston rod, so that the piston rod is in an unlocking state.
The edge of the inner wall of the locking ring is provided with an abutting cambered surface, so that the outer wall of the piston rod is prevented from being damaged when the inner wall of the locking ring abuts against the outer wall of the piston rod.
The lock driving member includes:
the driving spring is arranged in the supporting assembly member, is arranged on two radial sides of the locking ring in a separated mode with the positioning pin rod, and the tail end of the driving spring extends along the axial direction of the locking ring and is abutted to the outer part of the locking ring, so that axial locking force is applied to the locking ring to drive the locking ring to deflect to a locking state by taking the spherical end head as a fulcrum.
The driving springs are provided with a pair of driving springs and are arranged together with the positioning pin rods to form an isosceles triangle so as to improve the stability of the locking ring.
The unlocking driving member includes:
the driving ring is arranged in the supporting assembly member and is separated from the driving spring at two axial sides of the locking ring, the inner end of the driving ring is jointed with the locking ring, the outer end of the driving ring forms a sealed unlocking air cavity in the supporting assembly member and can be inflated into the unlocking air cavity, so that the driving ring applies axial unlocking force to the locking ring, the driving spring is compressed, and the locking ring is driven to deflect to an unlocking state by taking the spherical end as a fulcrum.
The support fitting member includes:
the pneumatic equipment is arranged at one end of the supporting housing, a piston rod of the pneumatic equipment extends out of the other end of the supporting housing, an assembling cavity is formed in the supporting housing, the locking ring is located in the assembling cavity, a positioning embedding hole is formed in the side wall of the supporting housing, and a spherical end head at the tail end of the positioning pin rod extends into the positioning embedding hole and can deflect in the positioning embedding hole.
The support fitting member further includes:
the assembly flange is fixed on the supporting housing, a gap is reserved between the assembly flange and the driving ring, a guide shell is arranged on the inner wall of the assembly flange, the outer wall of the driving ring is propped against the inner wall of the assembly cavity, the inner wall of the driving ring is propped against the outer wall of the guide shell, the assembly flange can move along the inner wall of the assembly cavity and the outer wall of the guide shell, an unlocking air cavity is formed among the outer end of the driving ring, the outer wall of the guide shell, the inner wall of the assembly cavity and the inner wall of the assembly flange, an unlocking air hole is formed in the side wall of the supporting housing, the unlocking air hole is communicated with the unlocking air cavity, and the unlocking air cavity can be inflated through the unlocking air hole.
The utility model has the advantages that:
the self-locking assembly is characterized in that a locking ring matched with the piston rod is arranged in a supporting housing, the locking ring can deflect in a supporting assembly member by taking a spherical end as a fulcrum, when an included angle is formed between the axis of the locking ring and the axis of the piston rod, the inner wall of the locking ring is propped against the outer wall of the piston rod, a torsion force is applied to the piston rod, so that the piston rod is in a locking state, when the axis of the locking ring is overlapped with the axis of the piston rod, the inner wall of the locking ring is separated from the outer wall of the piston rod, the piston rod is in an unlocking state, a driving spring is further arranged, the tail end of the driving spring is propped against the outer part of the locking ring, and an axial locking force is applied to the locking ring, so that the locking ring is driven to deflect to the locking state by taking the spherical end as the fulcrum, and then the piston rod is stopped moving, thereby reducing the probability of misoperation and improving the precision of the stamping process of a die.
Drawings
FIG. 1 is a schematic view of an exploded construction of a self-locking assembly for a pneumatic device in accordance with the present utility model;
FIG. 2 is a schematic cross-sectional view of the self-locking assembly;
fig. 3 is a schematic view of the structure of the self-locking ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, the self-locking assembly for a pneumatic device according to the present utility model includes a support assembly member, a locking switching member, a transfer positioning member, a locking driving member and an unlocking driving member, wherein the support assembly member has an assembly receiving space therein, the assembly receiving space is adapted to a piston rod of the pneumatic device, the piston rod can pass through the support assembly member, the locking switching member is mounted in the support assembly member through a movable structure, the locking switching member is adapted to the piston rod of the pneumatic device, and can be switched to a locking state or an unlocking state in the support assembly member, when the locking switching member is in the locking state, the locking switching member is matched with the piston rod, so that the piston rod is locked, when the locking switching member is in the unlocking state, the piston rod is disengaged from the piston rod, so that the piston rod can normally operate, the transfer positioning member is mounted on the locking switching member, and is mounted in the support assembly member through a movable structure, so that the locking switching member can be switched to the locking switching member, and is adapted to the locking switching member, so that the locking switching member can be driven to switch to the locking state, the unlocking driving member is mounted in the support assembly member, and is adapted to the locking switching member, so that the locking switching member can be driven to switch to the unlocking state.
In embodiment 1, the locking switching member comprises a locking collar 100 which is located inside the support fitting member and is sleeved outside the piston rod, leaving a gap between its outer wall and the support fitting member, such that the locking collar is deflectable inside the support fitting member;
the transfer positioning member includes a positioning pin 200, which is mounted on the side of the locking ring and protrudes radially outward along the locking ring, and has a spherical end 210 at its end, which is engaged with the support assembly member, so that the locking ring can deflect in the support assembly member with the spherical end as a fulcrum, and when the axis of the locking ring forms an included angle with the axis of the piston rod, the inner wall of the locking ring abuts against the outer wall of the piston rod, and applies a torsion force to the piston rod, so that the piston rod is in a locked state, and when the axis of the locking ring overlaps with the axis of the piston rod, the inner wall of the locking ring is disengaged from the outer wall of the piston rod, so that the piston rod is in an unlocked state.
The locking driving member comprises a driving spring (not shown in the figure), the driving spring is arranged in the supporting assembly member and is separated from the positioning pin rod at two radial sides of the locking ring, the tail end of the driving spring extends along the axial direction of the locking ring and is abutted to the outside of the locking ring, and axial locking force is applied to the locking ring to drive the locking ring to deflect to a locking state by taking the spherical end as a fulcrum.
The unlocking driving member comprises a driving ring 300 which is arranged in the supporting assembly member and is separated from the driving spring at two axial sides of the locking ring, the inner end of the driving ring is jointed with the locking ring, the outer end of the driving ring forms a sealed unlocking air cavity in the supporting assembly member, the unlocking air cavity can be inflated, the driving ring applies axial unlocking force to the locking ring, the driving spring is compressed, and the locking ring is driven to deflect to an unlocking state by taking the spherical end as a fulcrum.
The supporting assembly member comprises a supporting housing 400, two ends of the supporting housing are opened, pneumatic equipment is arranged at one end of the supporting housing, a piston rod of the pneumatic equipment extends out of the other end of the supporting housing, an assembly cavity is formed in the supporting housing, a locking ring is positioned in the assembly cavity, a positioning embedded hole 410 is formed in the side wall of the supporting housing, and a spherical end of the tail end of a positioning pin rod extends into the positioning embedded hole and can deflect in the positioning embedded hole.
In embodiment 2, the locking switching member comprises a locking collar 100 which is located inside the support fitting member and is sleeved outside the piston rod, leaving a gap between its outer wall and the support fitting member, such that the locking collar is deflectable inside the support fitting member;
the transfer positioning member includes a positioning pin 200, which is mounted on the side of the locking ring and protrudes radially outward along the locking ring, and has a spherical end 210 at its end, which is engaged with the support assembly member, so that the locking ring can deflect in the support assembly member with the spherical end as a fulcrum, and when the axis of the locking ring forms an included angle with the axis of the piston rod, the inner wall of the locking ring abuts against the outer wall of the piston rod, and applies a torsion force to the piston rod, so that the piston rod is in a locked state, and when the axis of the locking ring overlaps with the axis of the piston rod, the inner wall of the locking ring is disengaged from the outer wall of the piston rod, so that the piston rod is in an unlocked state.
In this embodiment, the edge of the inner wall of the locking ring is provided with the abutting cambered surface 110, so as to avoid damage to the outer wall of the piston rod when the inner wall of the locking ring abuts against the outer wall of the piston rod.
The locking driving member comprises a driving spring (not shown in the figure), the driving spring is arranged in the supporting assembly member and is separated from the positioning pin rod at two radial sides of the locking ring, the tail end of the driving spring extends along the axial direction of the locking ring and is abutted to the outside of the locking ring, and axial locking force is applied to the locking ring to drive the locking ring to deflect to a locking state by taking the spherical end as a fulcrum.
In this embodiment, the driving spring is provided with a pair of driving springs, and the driving springs and the positioning pin rods are arranged together to form an isosceles triangle so as to improve stability of the locking ring, and the locking ring is provided with a positioning notch 120 adapted to the driving spring.
The unlocking driving member comprises a driving ring 300 which is arranged in the supporting assembly member and is separated from the driving spring at two axial sides of the locking ring, the inner end of the driving ring is jointed with the locking ring, the outer end of the driving ring forms a sealed unlocking air cavity in the supporting assembly member, the unlocking air cavity can be inflated, the driving ring applies axial unlocking force to the locking ring, the driving spring is compressed, and the locking ring is driven to deflect to an unlocking state by taking the spherical end as a fulcrum. In this embodiment, the outer wall of the locking ring is provided with a coupling rib 130, the outer wall of the driving ring is provided with a coupling notch 310 adapted to the outer wall of the driving ring, and the coupling rib is clamped into the coupling notch, so that the driving ring is fixedly connected with the locking ring, and in order to ensure the tightness of the unlocking air cavity, the driving ring is made of rubber.
When the air cylinder and the unlocking air cavity are communicated with the air pipe, the unlocking force applied by the driving ring to the locking ring and the locking force applied by the driving spring to the locking ring are balanced, the locking ring is in an unlocking state, when the air cylinder is out of pressure, the unlocking air cavity is also out of pressure at the same time, the unlocking force applied by the driving ring to the locking ring and the locking force applied by the driving spring to the locking ring are unbalanced, so that the locking ring deflects to lock the piston rod, and when the locking state has a loosening trend, the driving spring can timely supplement the position, thereby improving the stability of the locking state.
The supporting assembly member comprises a supporting housing 400, two ends of the supporting housing are opened, pneumatic equipment is arranged at one end of the supporting housing, a piston rod of the pneumatic equipment extends out of the other end of the supporting housing, an assembly cavity is formed in the supporting housing, a locking ring is positioned in the assembly cavity, a positioning embedded hole 410 is formed in the side wall of the supporting housing, and a spherical end of the tail end of a positioning pin rod extends into the positioning embedded hole and can deflect in the positioning embedded hole.
The support assembly member further includes an assembly flange 500, the assembly flange is fixed on the support housing and has a gap with the driving ring, the inner wall of the assembly flange is provided with a guide shell 510, the outer wall of the driving ring is abutted against the inner wall of the assembly cavity, the inner wall of the driving ring is abutted against the outer wall of the guide shell, the assembly flange can move along the inner wall of the assembly cavity and the outer wall of the guide shell, an unlocking air cavity is formed between the outer end of the driving ring and the outer wall of the guide shell, the inner wall of the assembly cavity and the inner wall of the assembly flange, the side wall of the support housing is provided with an unlocking air hole 420, the unlocking air hole is communicated with the unlocking air cavity, and the unlocking air cavity can be inflated through the unlocking air hole to enable the driving ring to move.
In this embodiment, an unlocking outer hole 430 is further formed in the supporting housing, the unlocking outer hole and the positioning embedding hole are respectively arranged on two sides of the supporting housing, an unlocking inner hole 140 is formed in the locking ring, the unlocking inner hole corresponds to the unlocking outer hole, the unlocking outer hole is in a strip shape, when the locking ring deflects to one side to a locking state, the locking force is large, and when the driving ring is difficult to drive the driving ring to return to the unlocking state, a rod-shaped tool can be used to extend into the unlocking inner hole through the unlocking outer hole, and the locking ring is pried to return to the unlocking state, so that manual unlocking is realized.
The self-locking assembly is characterized in that a locking ring matched with the piston rod is arranged in a supporting housing, the locking ring can deflect in a supporting assembly member by taking a spherical end as a fulcrum, when an included angle is formed between the axis of the locking ring and the axis of the piston rod, the inner wall of the locking ring is propped against the outer wall of the piston rod, a torsion force is applied to the piston rod, so that the piston rod is in a locking state, when the axis of the locking ring is overlapped with the axis of the piston rod, the inner wall of the locking ring is separated from the outer wall of the piston rod, the piston rod is in an unlocking state, a driving spring is further arranged, the tail end of the driving spring is propped against the outer part of the locking ring, and an axial locking force is applied to the locking ring, so that the locking ring is driven to deflect to the locking state by taking the spherical end as the fulcrum, and then the piston rod is stopped moving, thereby reducing the probability of misoperation and improving the precision of the stamping process of a die.
In the description of the present utility model, it should be noted that, when terms such as "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships, are to be understood as being based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships conventionally put in use of the inventive product, or the orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, when used herein, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "mounted," "configured," and "connected" are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Claims (7)
1. A self-locking assembly for a pneumatic device, comprising:
a support fitting member having a fitting accommodating space therein, which is fitted with a piston rod of the pneumatic device, the piston rod being passable therethrough;
a lock switching member mounted in the support fitting member by a movable structure, the lock switching member having a shape adapted to a piston rod of the pneumatic device and being switchable in the support fitting member to a locked state or an unlocked state;
the switching positioning component is arranged on the locking switching component and is arranged in the supporting assembly component through a movable structure, so that the locking switching component can switch a state in the supporting assembly component through the switching positioning component;
the locking driving component is arranged in the supporting assembly component and is matched with the locking switching component, and the locking driving component can drive the locking switching component to switch to a locking state;
the unlocking driving member is arranged in the supporting assembly member and is matched with the locking switching member, and the unlocking driving member can drive the locking switching member to switch to an unlocking state;
characterized in that the lock switching member includes:
the locking ring is positioned in the supporting and assembling member and sleeved outside the piston rod, and a gap is reserved between the outer wall of the locking ring and the supporting and assembling member;
the transfer positioning member includes:
and the positioning pin rod is arranged on the side part of the locking ring and protrudes outwards in the radial direction of the locking ring, the tail end of the positioning pin rod is provided with a spherical end head, and the spherical end head is matched with the supporting assembly member, so that the locking ring can deflect in the supporting assembly member by taking the spherical end head as a fulcrum, and when an included angle is formed between the axis of the locking ring and the axis of the piston rod, the inner wall of the positioning pin rod is abutted against the outer wall of the piston rod.
2. A self-locking assembly for a pneumatic device as claimed in claim 1, wherein:
the edge of the inner wall of the locking ring is provided with an abutting cambered surface.
3. A self-locking assembly for a pneumatic device as claimed in claim 1, wherein the locking drive member comprises:
and the driving spring is arranged in the supporting assembly member, is separated from the positioning pin rod on two radial sides of the locking ring, and the tail end of the driving spring extends along the axial direction of the locking ring and is abutted against the outer part of the locking ring.
4. A self-locking assembly for a pneumatic device as claimed in claim 3, wherein:
the driving springs are provided with a pair and are arranged together with the positioning pin rod to form an isosceles triangle.
5. A self-locking assembly for a pneumatic device as claimed in claim 3, wherein unlocking the drive member comprises:
and the driving ring is arranged in the supporting and assembling member and is separated from the driving spring at two axial sides of the locking ring, the inner end of the driving ring is jointed with the locking ring, and the outer end of the driving ring forms a sealed unlocking air cavity in the supporting and assembling member.
6. The self-locking assembly for a pneumatic device of claim 5, wherein the support assembly member comprises:
the pneumatic equipment is arranged at one end of the supporting housing, a piston rod of the pneumatic equipment extends out of the other end of the supporting housing, an assembling cavity is formed in the supporting housing, the locking ring is located in the assembling cavity, a positioning embedding hole is formed in the side wall of the supporting housing, and a spherical end head at the tail end of the positioning pin rod extends into the positioning embedding hole.
7. The self-locking assembly for a pneumatic device of claim 6, wherein the support assembly member further comprises:
the assembly flange is fixed on the supporting housing, a gap is reserved between the assembly flange and the driving ring, a guide shell is arranged on the inner wall of the assembly flange, the outer wall of the driving ring is propped against the inner wall of the assembly cavity, the inner wall of the driving ring is propped against the outer wall of the guide shell, an unlocking air cavity is formed among the outer end of the driving ring, the outer wall of the guide shell, the inner wall of the assembly cavity and the inner wall of the assembly flange, an unlocking air hole is formed in the side wall of the supporting housing, and the unlocking air hole is communicated with the unlocking air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223406763.5U CN219378705U (en) | 2022-12-19 | 2022-12-19 | Self-locking assembly for pneumatic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223406763.5U CN219378705U (en) | 2022-12-19 | 2022-12-19 | Self-locking assembly for pneumatic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219378705U true CN219378705U (en) | 2023-07-21 |
Family
ID=87187825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223406763.5U Active CN219378705U (en) | 2022-12-19 | 2022-12-19 | Self-locking assembly for pneumatic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219378705U (en) |
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2022
- 2022-12-19 CN CN202223406763.5U patent/CN219378705U/en active Active
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