CN220507903U - Full-interchange gauge for gun body and gun rack - Google Patents
Full-interchange gauge for gun body and gun rack Download PDFInfo
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- CN220507903U CN220507903U CN202322216447.XU CN202322216447U CN220507903U CN 220507903 U CN220507903 U CN 220507903U CN 202322216447 U CN202322216447 U CN 202322216447U CN 220507903 U CN220507903 U CN 220507903U
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- gun rack
- gun body
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- 238000010304 firing Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a full-exchange gauge for a gun body and a gun rack, which is used for detecting the joint full exchange of the gun body and the gun rack of a machine gun, and has the advantages of accurate and reliable positioning, convenient use, simple and safe operation and high efficiency. The full-interchange gauge for the gun body and the gun rack comprises a supporting block, a positioning shaft and a positioning block, wherein the supporting block corresponds to a receiver shell of the gun body, the width of the supporting block is equal to the inner width of a qualified gun rack frame, and the length of the supporting block is larger than that of the qualified gun rack frame; the positioning shaft corresponds to the joint sleeve positioning boss of the gun body, is positioned at two sides of one end of the supporting block, and is used for being clamped with the clamping groove at one end of the gun rack frame; the locating block corresponds to the firing mechanism box locking groove of the gun body, the locating block is located at one end of the supporting block, which faces away from the locating shaft, the locating block is L-shaped, and the tail end of the locating block is used for being clamped into the locking clamping tenon of the gun rack frame.
Description
Technical Field
The utility model relates to the technical field of firearms, in particular to a full-interchange gauge for a gun body and a gun rack.
Background
The engagement of the frame with the frame of the machine gun requires: the interface part of the gun body receiver component and the gun frame component can smoothly enter, and the lock catch firmly clamps the gun body and does not swing.
In the production of the general machine gun, when the machine gun body is jointed with the gun frame in the final assembly process, the horizontal dimension of the gun frame at the joint part is allowed to be filed, so that one side of the horizontal hanging bamboo shoot is contacted, and the other side of the horizontal hanging bamboo shoot is allowed to have a gap not more than 0.15; at this time, the gun body contacts with one side of the axis direction of the gun rack hanging lug in the horizontal direction, and the other side is allowed to have a gap not more than 0.10; and the lock catch in the vertical direction enters 3-5.5 of the hook groove of the gun body in the vertical direction, the contact area is not smaller than 2/3, and the gun body is not allowed to swing (file repairing lock catch is allowed). The connection of the machine gun body and the gun rack cannot be exchanged completely, and the requirements of customers are met by the connection of the gun body and the gun rack in one-to-one correspondence.
The main reason why the engagement of the product gun body with the gun rack is not fully interchangeable is:
1. the original product manufacturing process is behind, the adopted processing means are single machine, manual correction and other modes to meet the product production, the quality fluctuation of the produced product parts is large, and the gun body and the gun frame are ensured to be in one-to-one corresponding connection by the allowance (file repairing ring) to meet the customer requirements.
2. During the acceptance of gun rack frame components, the design and acceptance of frame component interchanges is not considered due to the large variability in the mass of the frame components.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a full-exchange gauge for a gun body and a gun rack, which is used for detecting the joint full exchange of the gun body and the gun rack of a machine gun, and has the advantages of accurate and reliable positioning, convenient use, simple and safe operation and high efficiency.
The purpose of the utility model is realized in the following way:
a full-interchange gauge for gun body and gun rack comprises a supporting block, a positioning shaft and a positioning block,
the supporting block corresponds to the case shell of the gun body, the width of the supporting block is equal to the inner width of the qualified gun rack frame, and the length of the supporting block is greater than the length of the qualified gun rack frame;
the positioning shaft corresponds to the joint sleeve positioning boss of the gun body, is positioned at two sides of one end of the supporting block, and is used for being clamped with the clamping groove at one end of the gun rack frame;
the locating block corresponds to the firing mechanism box locking groove of the gun body, the locating block is located at one end of the supporting block, which faces away from the locating shaft, the locating block is L-shaped, and the tail end of the locating block is used for being clamped into the locking clamping tenon of the gun rack frame.
Preferably, the locating block tapers from the connecting end to the terminal end.
Preferably, the tail end of the positioning block is provided with two score lines, and when the size is qualified, the outer edge of the locking trip of the gun rack frame is positioned between the two score lines.
Preferably, the side of one end of the support block provided with the positioning block is provided with a protrusion for contacting with the horizontal support surface of the gun rack frame to position the support block.
Preferably, the positioning block is fixed on the supporting block by a pin and a screw.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the utility model ensures that the gun body and the gun frame of the machine gun are connected to realize full exchange, and realizes reliable, convenient and good service performance of equipment.
Along with the improvement of the whole product manufacturing process technology, the high integration (a large number of numerical control equipment) of the joint sleeve process and the precision casting of the firing mechanism box are adopted, and the progressive die and the automatic production line for manufacturing the frame parts are completed.
Drawings
FIG. 1 is a simplified diagram of a general machine gun product
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic structural view of a positioning block;
FIGS. 4 and 5 are schematic views of three-dimensional structures according to the present utility model;
FIG. 6 is a schematic diagram of a general machine gun product gun body receiver assembly and gun rack frame assembly engagement process;
FIGS. 7 and 8 are schematic views of a gun rack and frame assembly inspected with an interchangeable gauge;
FIG. 9 is a schematic diagram of a general machine gun product gun body receiver assembly engaged with a gun rack frame assembly;
FIG. 10 is a schematic diagram of a general machine gun product gun body receiver assembly;
FIG. 11 is a schematic diagram of a generic machine gun product gun rack frame assembly;
fig. 12 is a schematic view of a test gun rack and holster assembly using an interchangeable gauge.
Reference numerals
In the drawing, 1 is a gun body, 2 is a gun rack, 3 is a supporting block, 4 is a positioning shaft, 5 is a positioning block, 6 is a score line, 7 is a bulge, 8 is a pin, 9 is a screw, 10 is a supporting boss, 11 is a locking trip, 12 is a clamping groove, and 13 is a horizontal supporting surface.
Detailed Description
Referring to fig. 1-12, a full interchange gauge for a gun body and a gun rack comprises a supporting block, a positioning shaft and a positioning block, wherein the supporting block corresponds to a case shell of the gun body, the width of the supporting block is equal to the inner width of a qualified gun rack frame, and the length of the supporting block is larger than that of the qualified gun rack frame; the positioning shaft corresponds to the joint sleeve positioning boss of the gun body, is positioned at two sides of one end of the supporting block, and is used for being clamped with the clamping groove at one end of the gun rack frame; the locating block corresponds to the firing mechanism box locking groove of the gun body, the locating block is located at one end of the supporting block, which faces away from the locating shaft, the locating block is L-shaped, and the tail end of the locating block is used for being clamped into the locking clamping tenon of the gun rack frame so as to detect whether the assembly locking size of the gun rack frame is qualified or not. The tail end of the positioning block is provided with two score lines, and when the size is qualified, the outer edge of the locking trip of the gun rack frame is positioned between the two score lines.
The locating block tapers from the connecting end to the terminal end. The side part of one end of the supporting block provided with the positioning block is provided with a bulge which is used for contacting with the horizontal supporting surface of the gun rack frame to position the supporting block. The supporting block is vertically provided with a pin and a screw. The screw is used for fixing the positioning block on the supporting block, the pin is matched with the screw to determine the position of the positioning block relative to the supporting block, the displacement is avoided, and the position size of the positioning block is ensured to meet the product requirement. Referring to fig. 12, the support boss projects beyond the holster frame for placement of the entire device.
Specifically, the utility model comprises a positioning shaft (a joint sleeve positioning boss), a supporting block (a casing shell), a positioning block (a firing mechanism box locking groove) pin, a screw and a supporting boss. The device simulates the interface size and the gun assembly state of the gun body receiver assembly, and adopts the acceptance means that the use states of the gun body and the gun frame are completely the same to accept the frame assembly so as to realize the full interchange requirement of the gun body and the gun frame.
The full interchange measuring tool design for the gun body and gun rack joint is to interchange measuring tools for gun rack frame components on the premise that the interface size of the gun body box component is controlled by the measuring tools. The gun body machine box assembly and gun rack frame assembly fully considers the action size of relevant parts such as the gun body machine box assembly and the gun rack frame assembly and the service condition of products, and is completely simulated into a gun state for design. The design is carried out according to the principle of maximum entity and the least unfavorable gun forming state in the aspect of the size value. The gauge is used to accept the frame assembly to achieve full interchange requirements for the machine gun body to gun rack engagement.
1. The device consists of a positioning shaft (a joint sleeve positioning boss), a supporting block (a casing shell), a positioning block (a firing mechanism box locking groove) pin, a screw and a supporting boss. The full-interchange measuring tool for the joint of the machine gun body and the gun rack is designed by simulating the use state of the joint of the machine gun body and the gun rack.
2. The function sizes of the parts such as the machine gun section sleeve, the firing mechanism box and the like are fully considered, the interface size is completely simulated into a gun state for design, and the requirement of full interchange of the joint of the machine gun body and the gun rack is met by the inspection and acceptance frame assembly of the measuring tool.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a full interchange gauge of rifle body and gun rack which characterized in that: comprises a supporting block, a positioning shaft and a positioning block,
the supporting block corresponds to the case shell of the gun body, the width of the supporting block is equal to the inner width of the qualified gun rack frame, and the length of the supporting block is greater than the length of the qualified gun rack frame;
the positioning shaft corresponds to the joint sleeve positioning boss of the gun body, is positioned at two sides of one end of the supporting block, and is used for being clamped with the clamping groove at one end of the gun rack frame;
the locating block corresponds to the firing mechanism box locking groove of the gun body, the locating block is located at one end of the supporting block, which faces away from the locating shaft, the locating block is L-shaped, and the tail end of the locating block is used for being clamped into the locking clamping tenon of the gun rack frame.
2. The full interchange gauge for a gun body and gun rack of claim 1, wherein: the locating block tapers from the connecting end to the terminal end.
3. The full interchange gauge for a gun body and gun rack of claim 1, wherein: the tail end of the positioning block is provided with two score lines, and when the size is qualified, the outer edge of the locking trip of the gun rack frame is positioned between the two score lines.
4. The full interchange gauge for a gun body and gun rack of claim 1, wherein: the side part of one end of the supporting block provided with the positioning block is provided with a bulge which is used for contacting with the horizontal supporting surface of the gun rack frame to position the supporting block.
5. The full interchange gauge for a gun body and gun rack of claim 1, wherein: the positioning block is fixed on the supporting block through a pin and a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216447.XU CN220507903U (en) | 2023-08-17 | 2023-08-17 | Full-interchange gauge for gun body and gun rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216447.XU CN220507903U (en) | 2023-08-17 | 2023-08-17 | Full-interchange gauge for gun body and gun rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220507903U true CN220507903U (en) | 2024-02-20 |
Family
ID=89875661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322216447.XU Active CN220507903U (en) | 2023-08-17 | 2023-08-17 | Full-interchange gauge for gun body and gun rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220507903U (en) |
-
2023
- 2023-08-17 CN CN202322216447.XU patent/CN220507903U/en active Active
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