Connecting threaded rod

Abstract

The utility model discloses a connecting threaded rod which comprises a threaded rod main body, threads are arranged on the outer side of the threaded rod main body, the threaded rod main body is provided with a first end and a second end, a radial through hole is formed in the threaded rod main body, a connecting strip is arranged in the radial through hole, a positioning ring is arranged at the first end, a plurality of positioning grooves are annularly formed in the positioning ring, and the connecting strip is arranged in the positioning ring. A radial through hole is formed in the first end, a positioning ring is arranged at the second end, an open groove communicated with the radial through hole is formed in the center of the positioning ring, a threaded sleeve is arranged at the second end, an annular groove matched with the positioning ring is formed in the periphery of the threaded sleeve, and a positioning protrusion matched with the positioning groove is arranged on the annular groove in a protruding mode. The first end and the second end are installed in a matched mode, the positioning protrusion and the positioning groove can limit relative rotation of the two threaded rods, the connecting strip and the threaded sleeve are installed in a threaded mode, the two threaded rods can be limited to move up and down, the structure is simple, and assembling is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fastener, particularly the technical field of tooth bar. BACKGROUND

[0002] The tooth bar is also called screw rod and is a kind of rod body with screw thread on the outer surface, and the main function is to connect parts. The patent document CN218118263U discloses a length-adjustable tooth bar, which is provided with a connecting groove for connecting the length-adjusting mechanism at one end face of the tooth bar. With the connecting groove at the tooth bar and the matched length-adjusting mechanism, the structure of the tooth bar can be lengthened. This structure is relatively complex, and the installation is troublesome. Moreover, the stability of the spliced tooth bar is not high. UTILITY MODEL CONTENT

[0003] The utility model discloses a kind of tooth bars for solving the problems in prior art.

[0004] To achieve the above object, the utility model provides a kind of tooth bar, including tooth bar main part, the outer side of tooth bar main part is equipped with screw thread, tooth bar main part has first end and second end, radial through-hole is equipped on tooth bar main part, connecting strip is equipped in radial through-hole, positioning ring is equipped on first end, a plurality of positioning slots are arranged on the ring of positioning ring, the center of positioning ring is equipped with the slot of being communicated with radial through-hole, threaded sleeve is equipped on second end, the outer periphery of threaded sleeve is equipped with annular groove matched with positioning ring, positioning protrusion matched with positioning slot is protruded on annular groove, the side of radial through-hole close to positioning slot is equipped with internal thread, the side of connecting strip close to positioning slot is equipped with threaded rod, threaded rod is screw mounted with internal thread, threaded sleeve is equipped with screw groove matched with threaded rod in, the side of connecting strip close to threaded sleeve is light pole, and the end face of light pole is equipped with insertion slot.

[0005] As preferred, the light pole is gap matched with the radial through-hole.

[0006] As preferred, the light pole is gap matched with the screw groove.

[0007] As preferred, the insertion slot is hexagonal slot.

[0008] As preferred, the first end and the second end are matched and installed, and the screw thread on the outer side of the positioning protrusion and the positioning ring is spliced into complete screw thread.

[0009] The utility model discloses beneficial effect: the utility model discloses through first end and second end matching installation, and positioning convex and locating groove can limit two tooth strips relative rotation, through connecting strip and threaded sleeve screw installation, can limit two tooth strips up and down movement, simple structure, convenient to assemble, through the matching installation of proper sleeve and first end or second end, can very conveniently screw tooth strip, and installation is more convenient.

[0010] The features and advantages of the utility model will be described in detail through embodiments combined with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structural schematic diagram of the utility model;

[0012] Figure 2 It is the internal schematic diagram of the utility model;

[0013] Figure 3 It is the assembly schematic diagram of the utility model;

[0014] Figure 4 It is the first end schematic diagram of the utility model;

[0015] Figure 5 It is the second end schematic diagram of the utility model.

[0016] In the drawing: 1, tooth strip main part; 2, through -hole; 3, connecting strip; 4, positioning ring; 5, locating groove; 6, slot; 7, threaded sleeve; 8, annular groove; 9, positioning convex; 31, threaded rod; 32, light pole; 33, slot. DETAILED DESCRIPTION

[0017] Reference Figures 1 to 5A connecting strip, comprising a strip body 1, the outer side of the strip body 1 is provided with a screw thread, the strip body 1 has a first end and a second end, a radial through hole 2 is arranged on the strip body 1, a connecting strip 3 is arranged in the radial through hole 2, a positioning ring 4 is arranged on the first end, a plurality of positioning grooves 5 are arranged on the positioning ring 4 in a ring shape, a slotted hole 6 is arranged in the center of the positioning ring 4 and is communicated with the radial through hole 2, a threaded sleeve 7 is arranged on the second end, an annular groove 8 is arranged on the outer periphery of the threaded sleeve 7 and is matched with the positioning ring 4, a positioning protrusion 9 is arranged on the annular groove 8 and is matched with the positioning groove 5, an internal thread is arranged on the side of the radial through hole 2 close to the positioning groove 5, a threaded rod 31 is arranged on the side of the connecting strip 3 close to the positioning groove 5, the threaded rod 31 is screw-mounted with the internal thread, a threaded groove matched with the threaded rod 31 is arranged in the threaded sleeve 7, a light rod 32 is arranged on the side of the connecting strip 3 close to the threaded sleeve 7, an insertion groove 33 is arranged on the end face of the light rod 32, the light rod 32 is gap-fitted with the radial through hole 2, the light rod 32 is gap-fitted with the threaded groove, the insertion groove 33 is a hexagonal groove, the first end and the second end are matched and installed, and the screw thread of the outer side of the positioning protrusion 9 and the positioning ring 4 is spliced into a complete screw thread.

[0018] The working process of the utility model:

[0019] In the working process of the utility model, the connecting strip is initially arranged in the radial through hole, when the strip is spliced, the first end of one strip and the second end of another strip are matched and installed, then the matched tool is inserted into the insertion groove, the connecting strip is driven to rotate through the insertion groove, the threaded rod of the connecting strip is rotated out of the radial through hole and is screw-connected with the threaded sleeve.

[0020] The above embodiment is a description of the utility model and is not a limitation of the utility model, and any simple transformation of the utility model belongs to the protection range of the utility model.

Claims

1. A connecting strip, characterized in that: The utility model provides a toothed bar, including toothed bar body (1), the outer side of toothed bar body (1) is equipped with screw thread, toothed bar body (1) has first end and second end, be equipped with radial through -hole (2) on toothed bar body (1), be equipped with connecting strip (3) in radial through -hole (2), be equipped with locating ring (4) on first end, the ring of locating ring (4) is equipped with a plurality of locating groove (5), the center of locating ring (4) is equipped with with radial through -hole (2) intercommunication's slot (6), be equipped with threaded sleeve (7) on second end, the outer periphery of threaded sleeve (7) is equipped with with locating ring (4) matching annular groove (8), the convex of annular groove (8) is equipped with with locating groove (5) matching locating protrusion (9), the one side of radial through -hole (2) near locating groove (5) is equipped with internal thread, the one side of connecting strip (3) near locating groove (5) is equipped with threaded rod (31), threaded rod (31) with internal thread screw mounting, threaded sleeve (7) is equipped with with threaded rod (31) matching thread groove, the one side of connecting strip (3) near threaded sleeve (7) is light pole (32), the end face of light pole (32) is opened and is equipped with with the slot (33).

2. The tie strip of claim 1, wherein: The light pole (32) is matched with the radial through -hole (2) gap.

3. The tie strip of claim 1, wherein: The light pole (32) is matched with the threaded groove gap.

4. The tie strip of claim 1, wherein: The slot (33) is hexagonal slot.

5. The tie strip of claim 1, wherein: The first end and second end matching installation, the outer side of locating protrusion (9) and locating ring (4) screw thread concatenation complete screw thread.

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