Pistol connecting structure
By employing a helical rotary locking structure and a recoil spring rod guide design, the connection problem between the bolt, barrel, and grip in a rotary locking pistol is solved, enabling multi-degree-of-freedom movement of the barrel and simplifying installation, thereby reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-03-13
AI Technical Summary
Existing technologies cannot effectively connect the bolt, barrel, and grip of a pistol with a rotating locking mechanism, resulting in limited freedom of movement and complex and costly connection structures.
It adopts a helical rotation locking structure, which realizes the forward and backward movement and rotation of the barrel through the combination design of the sleeve, barrel, grip, connecting shaft and connecting body, and uses recoil spring rod and guide rail groove structure for guidance and fixation, simplifying the grip structure.
It increases the barrel's freedom of movement, simplifies the component installation process, reduces manufacturing costs, and improves the structure's guiding effect.
Smart Images

Figure CN223992554U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of firearms technology, and in particular to a pistol connection structure that enables the connection between the pistol slide assembly and the grip assembly. Background Technology
[0002] A pistol requires the coordinated movement of its slide, barrel, and grip to complete the firing action. Typically, the barrel is housed within the slide, and the barrel and grip are connected using a fixed assembly, hinge, or limit slider structure. This connection is suitable for pistols with fixed barrels, barrel tilting mechanisms, and barrel offset mechanisms. However, for firearms with a rotating locking mechanism, hinges and limit sliders are not suitable. Utility Model Content
[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a pistol connection structure that can realize the connection of the bolt, barrel and grip of a pistol with a helical rotating locking structure.
[0004] The purpose of this utility model is achieved as follows:
[0005] A pistol connection structure, the pistol having a helical locking mechanism, includes a slide, barrel, grip, connecting shaft, and connecting body.
[0006] The front end of the sleeve is provided with a sleeve round hole and a recoil spring rod sliding hole, the recoil spring rod sliding hole is located below the sleeve round hole, the middle part of the sleeve is provided with a downward opening semi-circular groove, the semi-circular groove is for the gun barrel to be inserted from below, and the inner walls on both sides of the rear end of the sleeve are provided with sleeve guide rail grooves.
[0007] The rear end of the barrel is provided with a radial boss, and the front end of the barrel fits into the sleeve hole of the sleeve.
[0008] The upper end of the connector is provided with an arc surface, which slides in conjunction with the lower end of the barrel. The arc surface is provided with a spiral groove, which engages with a boss on the barrel to realize the rotational movement of the barrel. Connector guide rail grooves are provided on both sides of the connector.
[0009] The connecting body has an axial circular hole, and the recoil spring assembly is disposed within the axial circular hole of the connecting body. The recoil spring assembly includes a recoil spring rod and a recoil spring. The recoil spring rod passes through the recoil spring and has a positioning end and a sliding end. The positioning end of the recoil spring rod is provided with a positioning plate. The rear end of the recoil spring acts on the positioning plate, and the front end of the recoil spring acts on the sleeve. The sliding end of the recoil spring rod is engaged with the recoil spring rod sliding hole on the sleeve.
[0010] The upper front part of the grip is provided with a front guide rail, and the connecting body guide rail groove is slidably engaged with the front guide rail. The upper rear part of the grip is provided with a rear guide rail, and the sleeve guide rail groove is slidably engaged with the rear guide rail. The middle part of the grip is provided with a grip round hole, and the connecting body is provided with a connecting body round hole. The connecting body round hole and the grip round hole are connected by a connecting shaft to fix the connecting body.
[0011] Preferably, the connecting shaft contacts and limits the positioning end of the recoil spring rod.
[0012] Preferably, the connecting body guide rail groove is a through groove, the front guide rail on the handle and the handle are separate structures, the front guide rail is U-shaped, the top of the front guide rail is bent towards each other, and the bent part of the front guide rail is used to slide with the connecting body guide rail groove.
[0013] Preferably, the front guide rail on the grip has a mounting hole corresponding to the grip hole, and the mounting hole is connected to the connecting shaft.
[0014] Due to the adoption of the above technical solution, this utility model has the following beneficial effects:
[0015] The pistol connection structure proposed in this utility model connects the slide, barrel, and grip through a connecting body and a connecting shaft. This allows the barrel to move both forward and backward as well as rotate, increasing the degree of freedom of rotation compared to other connection structures.
[0016] This utility model is equipped with a recoil spring rod, which provides good guidance for the sleeve and facilitates the installation of various components.
[0017] The front guide rail on the grip is a separate structure from the grip, which simplifies the grip structure and reduces manufacturing costs. The front guide rail is fixed with a connecting shaft, eliminating the need for additional connecting parts. Attached Figure Description
[0018] Figure 1 This is a view of the exterior of the present utility model;
[0019] Figure 2 This is a schematic diagram of the sleeve structure;
[0020] Figure 3 This is a schematic diagram of the gun barrel structure;
[0021] Figure 4 This is a schematic diagram of the grip structure;
[0022] Figure 5 This is a schematic diagram of the connector structure;
[0023] Figure 6 This is a schematic diagram of the connecting shaft structure;
[0024] Figure 7 This is a schematic diagram of the recoil spring assembly.
[0025] Figure Labels
[0026] Appendix Figure 1 In the middle, there are 1 sleeve, 2 barrel, 3 grip, 4 connecting shaft, 5 connecting body, and 6 recoil spring assembly.
[0027] Appendix Figure 2 In the middle, 101 is the round hole of the sleeve, 102 is the sliding hole of the recoil spring rod, 103 is the semi-circular groove, and 104 is the guide groove of the sleeve.
[0028] Appendix Figure 3 In the middle, 201 protrusions;
[0029] Appendix Figure 4 In the middle, there are 301 front guide rails, 302 grip round holes, and 303 rear guide rails;
[0030] Appendix Figure 5 In the middle, there are 501 circular holes for the connector, 502 spiral grooves, and 503 guide rail grooves for the connector.
[0031] Appendix Figure 7 In the middle, there are 601 limit end and 602 positioning end. Detailed Implementation
[0032] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.
[0033] A pistol connection structure is disclosed, the pistol having a helical rotating locking mechanism, including a slide 1, a barrel 2, a grip 3, a connecting shaft 4, and a connecting body 5. The front end of the slide 1 is provided with a slide bore and a recoil spring rod sliding hole, the recoil spring rod sliding hole being located below the slide bore. The middle of the slide 1 has a downward-opening semi-circular groove 103 for the barrel 2 to be inserted from below. Slide guide grooves 104 are provided on the inner walls of both sides of the rear end of the slide 1. The rear end of the barrel has a radially arranged boss 201, and the front end of the barrel engages with... The sleeve 1 has a circular hole; the upper end of the connecting body has an arc surface, which slides with the lower end of the barrel 2. The arc surface has a spiral groove, which engages with the boss 201 on the barrel to achieve the rotational movement of the barrel. The connecting body has connecting body guide grooves on both sides; the connecting body has an axial circular hole, and the recoil spring assembly 6 is located in the axial circular hole of the connecting body. The recoil spring assembly includes a recoil spring rod and a recoil spring. The recoil spring rod passes through the recoil spring and has a positioning end 602 and a sliding end 601. The positioning end 602 of the recoil spring rod has a positioning plate. The rear end of the recoil spring acts on the positioning plate, and the front end of the recoil spring acts on the sleeve. The sliding end 601 of the recoil spring rod engages with the recoil spring rod sliding hole 102 on the sleeve 1; the connecting shaft contacts and limits the positioning end 602 of the recoil spring rod.
[0034] The upper front end of the grip is provided with a front guide rail, and the connecting body guide rail groove slides with the front guide rail. The upper rear end of the grip is provided with a rear guide rail, and the sleeve guide rail groove 104 slides with the rear guide rail. The middle part of the grip is provided with a grip round hole, and the connecting body is provided with a connecting body round hole. The connecting body round hole and the grip round hole are connected by a connecting shaft to fix the connecting body.
[0035] The connecting body guide rail groove is a through groove. The front guide rail on the grip is a separate structure from the grip. The front guide rail is U-shaped, with its top bent towards each other. The bent part of the front guide rail is used for sliding engagement with the connecting body guide rail groove. The front guide rail on the grip has mounting holes corresponding to the grip's circular holes, and these mounting holes are engaged with the connecting shaft for connection.
[0036] Specifically:
[0037] like Figure 1 As shown, it includes a sleeve 1, a barrel 2, a grip 3, a connecting shaft 4, and a connecting body 5;
[0038] Insert one end of the barrel 2 without the protrusion 201 into the semi-circular groove 103 in the middle of the sleeve 1 and pass it out through the circular hole 101 of the sleeve, keeping the protrusion 201 facing downwards;
[0039] Insert the positioning end 602 of the recoil spring assembly 6 (recoil spring rod) into the axial circular hole of the connector 5, insert the limiting end into the sleeve 1, and push the connector 5 forward (overcoming the resistance of the recoil spring) so that the boss 201 on the barrel 2 falls into the spiral groove 502 of the connector 5 for initial positioning, forming an assembly.
[0040] Take the assembly consisting of the sleeve 1, barrel 2, connector 5, and recoil spring assembly 6. Push the connector 5 to insert the connector guide groove 503 of the connector 5 into the front guide rail 301 of the grip 3. Then insert the rear guide rail 303 of the grip 3 into the sleeve guide groove 104 of the sleeve 1. Continue to push and adjust the position of the connector 5 until the connector round hole 501 on the connector 5 is aligned with the grip round hole 302 on the grip 3. Insert the connecting shaft 4 into the connector round hole 501 and the grip round hole 302 to form a stable connection structure.
[0041] The sleeve is characterized in that: it has a large round hole (sleeve round hole) to accommodate the gun barrel, a small round hole (recoil spring rod sliding hole) to accommodate the recoil spring rod, and a sleeve guide groove at the bottom, through which the gun barrel can be inserted from the semi-circular groove formed by cutting it in the middle.
[0042] The barrel is characterized in that it is a hollow cylinder with a radial protrusion at the rear end.
[0043] The grip is characterized by having two guide rails, front and rear, with a grip hole below the guide rails for positioning.
[0044] The connector is characterized in that: its upper surface is an arc surface with a spiral groove, which cooperates with the boss on the barrel to realize the rotational movement of the barrel; there are connector guide rail grooves on both sides of the connector, which cooperate with the front guide rail of the grip to achieve matching and limiting; there is a connector circular hole below the connector guide rail groove, which connects the connector circular hole and the grip circular hole through a connecting shaft to fix the connector.
[0045] The recoil spring assembly is characterized in that a recoil spring rod passes through the recoil spring, and the recoil spring rod has a positioning end 602 and a sliding end 601. The positioning end 602 has a positioning plate, one end of the recoil spring acts on the positioning plate, and the other end acts on the sleeve, with the recoil spring rod extending out of the recoil spring rod sliding hole 102.
[0046] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.
Claims
1. A handgun connection structure, the handgun having a screw-rotation lock structure, characterized by: The sleeve, the barrel, the handle, the connecting shaft, the connecting body, The front end of the sleeve is respectively provided with a sleeve circular hole and a recoil spring rod sliding hole, the recoil spring rod sliding hole is located below the sleeve circular hole, the middle part of the sleeve is provided with a semicircular groove which is open downward, the semicircular groove is used for loading the barrel from below, the rear end of the sleeve is provided with sleeve guide rail grooves on the inner walls of both sides; The rear end of the barrel is provided with a boss in the radial direction, the front end of the barrel is matched in the sleeve circular hole of the sleeve; The upper end of the connecting body is provided with a circular arc surface, the circular arc surface is slidably matched with the lower end of the barrel, the circular arc surface is provided with a helical groove, the helical groove is matched with the boss on the barrel to realize the rotary motion of the barrel, the connecting body is provided with connecting body guide rail grooves on both sides; The connecting body is provided with an axial circular hole, the recoil spring assembly is arranged in the axial circular hole of the connecting body, the recoil spring assembly comprises a recoil spring rod and a recoil spring, the recoil spring rod passes through the recoil spring, the recoil spring rod has a positioning end and a sliding end, the positioning end of the recoil spring rod is provided with a positioning disc, the rear end of the recoil spring acts on the positioning disc, the front end of the recoil spring acts on the sleeve, and the sliding end of the recoil spring rod is matched with the recoil spring rod sliding hole on the sleeve; The upper part of the front end of the handle is provided with a front guide rail, the connecting body guide rail groove is slidably matched with the front guide rail, the upper part of the rear end of the handle is provided with a rear guide rail, the sleeve guide rail groove is slidably matched with the rear guide rail, the middle part of the handle is provided with a handle circular hole, the connecting body is provided with a connecting body circular hole, the connecting body circular hole and the handle circular hole are connected through the connecting shaft, and the fixation of the connecting body is realized.
2. A handgun attachment structure according to claim 1, wherein: The connecting shaft is in contact with the positioning end of the recoil spring rod.
3. A handgun attachment structure according to claim 1, wherein: The connecting body guide rail groove is a through groove, the front guide rail on the handle is a split structure with the handle, the front guide rail is in a U shape, the top of the front guide rail is bent towards each other, and the bent part of the front guide rail is used for slidably matched with the connecting body guide rail groove.
4. A handgun attachment structure according to claim 3, wherein: The front guide rail on the handle is provided with a mounting circular hole corresponding to the handle circular hole, and the mounting circular hole is connected with the connecting shaft. The connecting shaft is in contact with the positioning end of the recoil spring rod. The connecting body guide rail groove is a through groove, the front guide rail on the handle is a split structure with the handle, the front guide rail is in a U shape, the top of the front guide rail is bent towards each other, and the bent part of the front guide rail is used for slidably matched with the connecting body guide rail groove. The front guide rail on the handle is provided with a mounting circular hole corresponding to the handle circular hole, and the mounting circular hole is connected with the connecting shaft.