CN221049406U - Anti-loosening movable pull rod of trailer - Google Patents
Anti-loosening movable pull rod of trailer Download PDFInfo
- Publication number
- CN221049406U CN221049406U CN202322515607.0U CN202322515607U CN221049406U CN 221049406 U CN221049406 U CN 221049406U CN 202322515607 U CN202322515607 U CN 202322515607U CN 221049406 U CN221049406 U CN 221049406U
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- fastening
- screw rod
- assembly
- circumferential surface
- loose
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- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a loose-proof movable pull rod of a trailer, which comprises the following components: the screw rod assembly is arranged at the front end and the rear end of the screw rod assembly, and the fastening assembly is positioned above the connecting assembly; the connecting assembly comprises a connector, a connecting sleeve and a fastening groove, wherein the connecting sleeve is fixedly connected to the circumferential surface of the connector, and the fastening groove is formed in the circumferential surface of the connecting sleeve. Through setting up connector, adapter sleeve, fastening groove, fastening hole, lead screw front portion, lead screw middle part, lead screw rear portion, conical head, holding ring, fastening main part, bayonet lock and adjusting bolt, run through fastening groove and conical head joint through the bayonet lock to set up the holding ring at the middle part of the lead screw reverse screw thread, multiple fastening mode enables middle lead screw and both ends connector to be connected more closely, prevents not hard up to cause, avoids leading to the fact personnel and goods incident because of connecting not hard up.
Description
Technical Field
The utility model relates to the technical field of trailer accessories, in particular to a loose-proof movable pull rod of a trailer.
Background
A trailer refers to a vehicle that is towed by an automobile and is itself unpowered. The combination of a truck (truck or tractor, forklift) and one or more trailers is an important vehicle type for road transportation, and the adoption of truck train transportation is an important means for improving economic benefit most effectively and simply.
At present, a movable pull rod on a trailer is usually connected with a screw rod in the middle through a front connecting piece and a rear connecting piece, and the single connecting mode is easy to loose due to abrasion of threads on the screw rod, so that personnel and goods safety accidents are easy to cause.
Disclosure of utility model
The utility model provides a loose-proof movable pull rod of a trailer, which is connected with a conical head in a clamping way through a clamping pin penetrating a fastening groove, and a fastening ring is arranged at the middle part of a screw rod in a reverse thread way.
To achieve the above object, there is provided a loose-proof trailer hitch lever comprising: the screw rod assembly is arranged at the front end and the rear end of the screw rod assembly, and the fastening assembly is positioned above the connecting assembly;
The connecting assembly comprises a connector, a connecting sleeve, fastening grooves and fastening holes, wherein the connecting sleeve is fixedly connected to the circumferential surface of the connector, the fastening grooves and the fastening holes are formed in the circumferential surface of the connecting sleeve, the fastening grooves are symmetrically distributed on the circumferential surface of the connecting sleeve, the fastening holes are positioned between the left fastening groove and the right fastening groove, and the fastening holes are two in number;
The screw rod assembly comprises a screw rod front part, a screw rod middle part, screw rod rear parts, conical heads and fastening rings, wherein the conical heads are arranged on the front side wall of the screw rod front part and the rear side wall of the screw rod rear part, two conical heads are arranged in number, threads are arranged on the circumferential surfaces of the screw rod front part and the screw rod rear part, and the fastening rings are connected with the circumferential surfaces of the screw rod middle part in a threaded manner;
The fastening assembly comprises a fastening main body, clamping pins and adjusting bolts, wherein the clamping pins are fixedly connected to the bottom of the fastening main body, the number of the clamping pins is two, the clamping pins are symmetrically distributed at the bottom of the fastening main body, and the top of the fastening main body is in threaded connection with the adjusting bolts.
According to the anti-loosening trailer movable pull rod, threads on the circumferential surfaces of the front part and the rear part of the screw rod and threads on the circumferential surface of the middle part of the screw rod are reverse threads.
According to the anti-loosening trailer movable pull rod, the cone head is positioned in the connecting sleeve.
According to the anti-loosening trailer movable pull rod, two fastening assemblies are arranged and are located above the connecting assemblies.
According to the anti-loosening trailer movable pull rod, the section of the clamping pin is conical and penetrates through the fastening groove to be clamped with the conical head.
According to the anti-loosening trailer movable pull rod, the bottom of the adjusting bolt penetrates through the fastening main body to be in threaded connection with the connecting sleeve.
According to the anti-loosening trailer movable pull rod, the bottom of the fastening main body is arc-shaped and is attached to the circumferential surface of the connecting sleeve.
According to the anti-loosening trailer movable pull rod, two fastening rings are arranged and symmetrically distributed on the circumferential surface of the middle part of the screw rod.
The utility model has the beneficial effects that: through setting up connector, adapter sleeve, fastening groove, fastening hole, lead screw front portion, lead screw middle part, lead screw rear portion, conical head, holding ring, fastening main part, bayonet lock and adjusting bolt, run through fastening groove and conical head joint through the bayonet lock to set up the holding ring at the middle part of the lead screw reverse screw thread, multiple fastening mode enables middle lead screw and both ends connector to be connected more closely, prevents not hard up to cause, avoids leading to the fact personnel and goods incident because of connecting not hard up.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a front view of a loose-locking trailer hitch lever of the present utility model;
FIG. 2 is a block diagram of a connection assembly of a loose-proof trailer hitch of the present utility model;
FIG. 3 is a block diagram of a lead screw assembly of a loose-proof trailer hitch lever of the present utility model;
Fig. 4 is a structural view of a fastening assembly of a loose-proof trailer hitch.
Legend description:
1. A connection assembly; 2. a screw assembly; 3. a fastening assembly;
101. A connector; 102. connecting sleeves; 103. a fastening groove; 104. a fastening hole;
201. The front part of the screw rod; 202. the middle part of the screw rod; 203. the rear part of the screw rod; 204. a conical head; 205. a fastening ring;
301. a fastening body; 302. a bayonet lock; 303. and (5) adjusting a bolt.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, an anti-loosening trailer hitch lever according to an embodiment of the present utility model includes: the connecting assembly 1, the screw rod assembly 2 and the fastening assembly 3, the number of the connecting assemblies 1 is two, the connecting assemblies are symmetrically distributed at the front end and the rear end of the screw rod assembly 2, the fastening assembly 3 is located above the connecting assemblies 1, the number of the fastening assemblies 3 is two, and the fastening assemblies are located above the connecting assemblies 1.
The connecting assembly 1 comprises a connecting head 101, a connecting sleeve 102, fastening grooves 103 and fastening holes 104, the connecting sleeve 102 is fixedly connected to the circumferential surface of the connecting head 101, the fastening grooves 103 and the fastening holes 104 are formed in the circumferential surface of the connecting sleeve 102, the fastening grooves 103 are formed in a plurality of numbers and are symmetrically distributed on the circumferential surface of the connecting sleeve 102, the fastening holes 104 are located in the middle of the left fastening groove 103 and the right fastening groove 103, and the fastening holes 104 are formed in two numbers.
The screw assembly 2 comprises a screw front portion 201, a screw middle portion 202, a screw rear portion 203, conical heads 204 and fastening rings 205, wherein the conical heads 204 are arranged on the front side wall of the screw front portion 201 and the rear side wall of the screw rear portion 203, the conical heads 204 are arranged in two, the conical heads 204 are located in the connecting sleeve 102, threads are arranged on the circumferential surfaces of the screw front portion 201 and the screw rear portion 203, the fastening rings 205 are connected to the circumferential surface of the screw middle portion 202 in a threaded mode, the fastening rings 205 are arranged in two in number and symmetrically distributed on the circumferential surface of the screw middle portion 202, and the threads on the circumferential surfaces of the screw front portion 201 and the screw rear portion 203 and the threads on the circumferential surface of the screw middle portion 202 are mutually reverse threads.
The fastening assembly 3 comprises a fastening main body 301, clamping pins 302 and an adjusting bolt 303, wherein the bottom of the fastening main body 301 is arc-shaped and is attached to the circumferential surface of the connecting sleeve 102, when the adjusting bolt 303 above is fastened, the clamping pins 302 are fixedly connected to the bottom of the fastening main body 301, the number of the clamping pins 302 is two and are symmetrically distributed at the bottom of the fastening main body 301, the cross section of the clamping pins 302 is conical, the clamping grooves 103 are clamped with the conical heads 204 in a penetrating manner, the adjusting bolt 303 is connected to the top of the fastening main body 301 in a threaded manner, and the bottom of the adjusting bolt 303 is in threaded connection with the connecting sleeve 102 in the penetrating manner.
Working principle: the front connector 101 and the rear connector 101 are connected with a vehicle, the front part 201 of the screw rod and the rear part 203 of the screw rod are respectively connected in the connecting sleeves 102 on the two connectors 101 and rotate to a proper length, the fastening ring 205 is reversely rotated, the screw rod main body is fixed with the front connecting sleeves 102 and the rear connecting sleeves 102, the fastening assembly 3 is inserted through the fastening holes 104 on the connecting sleeves 102, the clamping pins 302 are clamped with the conical heads 204 on the front part 201 of the screw rod and the rear part 203 of the screw rod, the adjusting bolts 303 are screwed in, the bottoms of the adjusting bolts 303 penetrate through the fastening main body 301 and the fastening holes 104, and the fastening main body 301 and the connecting sleeves 102 are fixed, so that the locking operation is completed.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. A loose-locking trailer sway brace, comprising: the screw rod assembly comprises a connecting assembly (1), screw rod assemblies (2) and fastening assemblies (3), wherein the number of the connecting assemblies (1) is two, the connecting assemblies are symmetrically distributed at the front end and the rear end of the screw rod assemblies (2), and the fastening assemblies (3) are positioned above the connecting assemblies (1);
The connecting assembly (1) comprises a connecting head (101), connecting sleeves (102), fastening grooves (103) and fastening holes (104), wherein the connecting sleeves (102) are fixedly connected to the circumferential surface of the connecting head (101), the fastening grooves (103) and the fastening holes (104) are formed in the circumferential surface of the connecting sleeve (102), the fastening grooves (103) are formed in a plurality of numbers and are symmetrically distributed on the circumferential surface of the connecting sleeve (102), the fastening holes (104) are positioned between the left fastening groove and the right fastening groove (103), and two fastening holes (104) are formed in the number of the fastening holes;
the screw rod assembly (2) comprises a screw rod front part (201), a screw rod middle part (202), a screw rod rear part (203), conical heads (204) and a fastening ring (205), wherein the conical heads (204) are arranged on the front side wall of the screw rod front part (201) and the rear side wall of the screw rod rear part (203), two conical heads (204) are arranged, threads are arranged on the circumferential surfaces of the screw rod front part (201) and the screw rod rear part (203), and the fastening ring (205) is connected with the circumferential surface of the screw rod middle part (202) in a threaded manner;
The fastening assembly (3) comprises a fastening main body (301), clamping pins (302) and adjusting bolts (303), wherein the clamping pins (302) are fixedly connected to the bottom of the fastening main body (301), the clamping pins (302) are two in number and symmetrically distributed at the bottom of the fastening main body (301), and the top of the fastening main body (301) is in threaded connection with the adjusting bolts (303).
2. The loose-leaf trailer hitch lever according to claim 1, characterized in that the threads on the circumferential surfaces of the front (201) and rear (203) of the spindle and the threads on the circumferential surface of the middle (202) of the spindle are mutually opposite threads.
3. A loose-locking trailer hitch according to claim 1, characterized in that the conical head (204) is located inside the connection sleeve (102).
4. A loose-locking trailer hitch lever as claimed in claim 1, characterized in that the number of fastening assemblies (3) is two and that both are located above the coupling assembly (1).
5. A loose-leaf trailer hitch according to claim 1, characterized in that the cross section of the bayonet (302) is conical and engages with the conical head (204) through the fastening slot (103).
6. A loose-locking trailer hitch lever as claimed in claim 1, characterized in that the bottom of the adjusting bolt (303) is threaded through the fastening body (301) with the connecting sleeve (102).
7. A loose-locking trailer hitch lever as claimed in claim 1, characterized in that the bottom of the fastening body (301) is circular arc-shaped and engages with the circumferential surface of the connecting sleeve (102).
8. The loose-locking trailer movable pull rod according to claim 1, wherein two fastening rings (205) are provided and symmetrically distributed on the circumferential surface of the middle part (202) of the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515607.0U CN221049406U (en) | 2023-09-15 | 2023-09-15 | Anti-loosening movable pull rod of trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515607.0U CN221049406U (en) | 2023-09-15 | 2023-09-15 | Anti-loosening movable pull rod of trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221049406U true CN221049406U (en) | 2024-05-31 |
Family
ID=91223292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322515607.0U Active CN221049406U (en) | 2023-09-15 | 2023-09-15 | Anti-loosening movable pull rod of trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221049406U (en) |
-
2023
- 2023-09-15 CN CN202322515607.0U patent/CN221049406U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |