CN215073953U - A locking device for a lawn mower - Google Patents
A locking device for a lawn mower Download PDFInfo
- Publication number
- CN215073953U CN215073953U CN202023347478.1U CN202023347478U CN215073953U CN 215073953 U CN215073953 U CN 215073953U CN 202023347478 U CN202023347478 U CN 202023347478U CN 215073953 U CN215073953 U CN 215073953U
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- CN
- China
- Prior art keywords
- pull rod
- connecting cylinder
- opening
- positioning hole
- locking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002184 metal Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
本实用新型属于花园类工具技术领域，特别涉及一种割草机的锁紧装置，包括伸缩连接的第一拉杆和第二拉杆以及连接抱箍，连接抱箍设置有用于连接第一拉杆的第一连接筒和用于连接第二拉杆的第二连接筒，第一连接筒侧边设置第一开口，第一开口两侧各设置一个第一凸缘，两个第一凸缘利用紧固件连接后，第一拉杆固定在第一连接筒内；第二拉杆上设置有滑槽，第二连接筒内设置有凸筋；凸筋嵌合在滑槽内时，第二拉杆与第二连接筒滑动连接并周向限位；第二连接筒侧边开设有第二开口，第二开口两侧各设置有一个第二凸缘，两个第二凸缘利用紧固件连接后，第二拉杆锁止在第二连接筒上；本实用新型的目的在于提供一种使用方便且连接牢固的割草机的锁紧装置。
The utility model belongs to the technical field of garden tools, in particular to a locking device for a lawn mower, comprising a first pull rod and a second pull rod telescopically connected and a connecting hoop, wherein the connecting hoop is provided with a first pull rod for connecting the first pull rod A connecting cylinder and a second connecting cylinder for connecting the second tie rod, the side of the first connecting cylinder is provided with a first opening, a first flange is provided on each side of the first opening, and the two first flanges are provided with fasteners After the connection, the first pull rod is fixed in the first connecting cylinder; the second pull rod is provided with a chute, and the second connecting cylinder is provided with a convex rib; when the convex rib is embedded in the chute, the second pull rod is connected with the second pull rod The cylinder is slidably connected and limited in the circumferential direction; the side of the second connection cylinder is provided with a second opening, and each side of the second opening is provided with a second flange. After the two second flanges are connected by fasteners, the second The pull rod is locked on the second connecting cylinder; the purpose of the present invention is to provide a locking device for a lawn mower that is easy to use and firmly connected.
Description
Technical Field
The utility model belongs to the technical field of garden class instrument, in particular to locking device of lawn mower.
Background
With the increasing use of garden-type implements, lawn mowers are becoming more and more popular. A lawn mower is a mechanical tool used for trimming lawns, vegetation, and the like;
in order to facilitate users with different heights to use the mower, the mower is usually provided with a telescopic pull rod and a locking device for locking the telescopic pull rod, but the telescopic pull rod on the market is easy to cause inconvenience in use and unstable structure due to simple structure.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a locking device of a mower with convenient use and firm connection.
The purpose of the utility model is realized like this:
a locking device of a mower comprises a first pull rod, a second pull rod and a connecting hoop which are in telescopic connection, wherein a first connecting cylinder used for connecting the first pull rod is arranged at one end of the connecting hoop, a second connecting cylinder used for connecting the second pull rod is arranged at the other end of the connecting hoop, a first opening is formed in the side edge of the first connecting cylinder, two first flanges are arranged on two sides of the first opening respectively, and the first pull rod is fixed in the first connecting cylinder after the two first flanges are connected through a fastener;
a sliding groove is formed in the second pull rod, and a convex rib is arranged in the second connecting cylinder; or the second pull rod is provided with a convex rib, the second connecting cylinder is internally provided with a sliding groove, and when the convex rib is embedded in the sliding groove, the second pull rod is in sliding connection with the second connecting cylinder and is circumferentially limited; a second opening is formed in the side edge of the second connecting cylinder, two second flanges are arranged on two sides of the second opening respectively, and after the two second flanges are connected through a fastener, the second pull rod is locked on the second connecting cylinder.
The first opening and the second opening are connected with each other; the second opening is communicated with the edge of the second connecting cylinder; or the first opening is communicated with the edge of the first connecting cylinder and the second opening is communicated with the edge of the second connecting cylinder.
The first opening and the second opening are both independently arranged, and the first opening is communicated with the edge of the first connecting cylinder and the second opening is communicated with the edge of the second connecting cylinder.
The connecting hoop comprises an outer cylinder and a lining, and the convex ribs or the sliding grooves are arranged in the lining; the outer barrel is made of plastic, and the lining is made of metal.
A first positioning hole is formed in the first connecting cylinder, a second positioning hole corresponding to the first positioning hole is formed in the first pull rod, and fasteners for tightly abutting against the second pull rod can be arranged in the first positioning hole and the second positioning hole; and a third positioning hole is formed in the second connecting cylinder, and a fastener for tightly abutting against the second pull rod can be arranged in the third positioning hole.
The outer wall of the first connecting cylinder protrudes to form a first protrusion, the first positioning hole is formed in the first protrusion, the outer wall of the second connecting cylinder protrudes to form a second protrusion, and the third positioning hole is formed in the second protrusion.
And when the abutting surface abuts against the first pull rod, the first pull rod is axially limited.
The utility model has the advantages that:
1. the first pull rod can be movably connected or fixedly connected with the connecting hoop by operating the fastener on the first flange, and the second pull rod can be movably connected or locked with the connecting hoop by operating the fastener on the second flange, so that the use is simple; the cooperation that has utilized protruding muscle and spout makes second pull rod circumference spacing in the second connecting cylinder, takes place to twist reverse when preventing to operate first pull rod and second pull rod for user state is stable.
2. The inner liner is made of metal materials, so that the bending resistance of the connecting hoop is stronger, the connecting hoop is more durable, and the service life is longer; the outer barrel is made of plastic materials, and the deformation capacity of the connecting hoop is guaranteed.
3. The first positioning hole, the second positioning hole and the third positioning hole can be internally provided with fasteners for tightly abutting against the second pull rod, so that the second pull rod is more firmly locked on the connecting hoop, and the use state is more stable.
Drawings
Fig. 1 is a schematic view of the usage state of the present invention;
FIG. 2 is one of the schematic structural diagrams of the present invention;
fig. 3 is a second schematic structural diagram of the present invention;
fig. 4 is a schematic view of the internal structure of the present invention;
FIG. 5 is one of the partial structural schematic diagrams of the present invention;
fig. 6 is a second partial schematic structural view of the present invention;
FIG. 7 is a schematic view of the lining component of the present invention;
the reference numbers in the figures mean:
1-a first pull rod, 2-a second pull rod, 3-a connecting hoop, 4-a first connecting cylinder, 5-a second connecting cylinder,
6-a first opening, 7-a first flange, 8-a chute, 9-a convex rib, 10-a second opening,
11-a second flange, 12-an outer cylinder, 13-an inner liner, 14-a first positioning hole, 15-a second positioning hole,
16-third positioning hole, 17-first protrusion, 18-second protrusion and 19-abutting surface.
Detailed Description
The invention will be further described in the following with reference to the accompanying drawings in which:
referring to FIGS. 1-7: the utility model provides a locking device of lawn mower, includes first pull rod 1 and second pull rod 2 and the connection staple bolt 3 of telescopic connection, 3 one ends of connection staple bolt are provided with the first connecting cylinder 4 that is used for connecting first pull rod 1, the 3 other ends of connection staple bolt are provided with the second connecting cylinder 5 that is used for connecting second pull rod 2, its characterized in that: a first opening 6 is formed in the side edge of the first connecting cylinder 4, two first flanges 7 are respectively arranged on two sides of the first opening 6, and after the two first flanges 7 are connected by a fastener, the first pull rod 1 is fixed in the first connecting cylinder 4;
the second pull rod 2 is provided with a sliding groove 8, and the second connecting cylinder 5 is internally provided with a convex rib 9; or, a convex rib 9 is arranged on the second pull rod 2, a sliding groove 8 is arranged in the second connecting cylinder 5, and when the convex rib 9 is embedded in the sliding groove 8, the second pull rod 2 and the second connecting cylinder 5 are connected in a sliding manner and are limited circumferentially; a second opening 10 is formed in the side edge of the second connecting cylinder 5, two second flanges 11 are respectively arranged on two sides of the second opening 10, and after the two second flanges 11 are connected through a fastener, the second pull rod 2 is locked on the second connecting cylinder 5.
The fastener can be a screw, a bolt and an eccentric handle mechanism; the utility model discloses preferred fastener is the screw, simple structure, easily operation.
The utility model discloses it is preferred first flange 7 and second flange 11 are independent setting separately, in addition, first flange 7 and second flange 11 also can interconnect the setting.
The first pull rod 1 can be movably connected or fixedly connected with the connecting hoop 3 by operating the fastener on the first flange 7, and the second pull rod 2 can be movably connected or locked with the connecting hoop 3 by operating the fastener on the second flange 11, so that the use is simple; the cooperation that has utilized protruding muscle 9 and spout 8 makes second pull rod 2 circumference spacing in second connecting cylinder 5, takes place to twist reverse when preventing to operate first pull rod 1 and second pull rod 2 for user state is stable.
The first opening and the second opening can be connected with each other or can be arranged independently, and the following are specific embodiments thereof:
example 1: the first opening 6 and the second opening 10 are connected to each other; the second opening 10 is communicated with the edge of the second connecting cylinder 5; or the first opening 6 is communicated with the edge of the first connecting cylinder 4 and the second opening 10 is communicated with the edge of the second connecting cylinder 5; the utility model discloses it is preferred second opening 10 intercommunication second connecting cylinder 5 border.
Example 2: the first opening 6 and the second opening 10 are both independently arranged, the first opening 6 is communicated with the edge of the first connecting cylinder 4, and the second opening 10 is communicated with the edge of the second connecting cylinder 5.
The following description applies to both example 1 and example 2;
the connecting hoop 3 comprises an outer cylinder 12 and an inner liner 13, and the convex rib 9 or the sliding groove 8 is arranged in the inner liner 13; the outer cylinder 12 is made of plastic, and the lining 13 is made of metal.
The lining 13 is made of metal materials, so that the bending resistance of the connecting hoop 3 is stronger, the connecting hoop 3 is more durable, and the service life is longer; the outer cylinder 12 is made of plastic materials, so that the deformation capacity of the connecting hoop 3 is guaranteed.
A first positioning hole 14 is formed in the first connecting cylinder 4, a second positioning hole 15 corresponding to the first positioning hole 14 is formed in the first pull rod 1, and fasteners for tightly abutting against the second pull rod 2 can be arranged in the first positioning hole 14 and the second positioning hole 15; a third positioning hole 16 is formed in the second connecting cylinder 5, and a fastening piece for tightly abutting against the second pull rod 2 can be arranged in the third positioning hole 16.
Fasteners used for tightly abutting against the second pull rod 2 can be arranged in the first positioning hole 14, the second positioning hole 15 and the third positioning hole 16, so that the second pull rod 2 is locked on the connecting hoop 3 more firmly, and the use state is more stable.
The outer wall of the first connecting cylinder 4 protrudes to form a first protrusion 17, the first positioning hole 14 is formed in the first protrusion 17, the outer wall of the second connecting cylinder 5 protrudes to form a second protrusion 18, and the third positioning hole 16 is formed in the second protrusion 18.
In the utility model, the first positioning hole 14 and the third positioning hole 16 are preferably connected with the fastener by screw thread; the first protrusion 17 lengthens the distance of threaded connection on the first positioning hole 14, so that a fastener in the first positioning hole 14 can provide larger force for tightly supporting the second pull rod 2, and the second pull rod 2 is locked more stably; the second protrusion 18 increases the distance of the threaded connection on the third positioning hole 16, so that the fastener in the third positioning hole 16 can provide a larger force for abutting against the second pull rod 2, and the locking of the second pull rod 2 is more stable.
An abutting surface 19 is arranged between the first connecting cylinder 4 and the second connecting cylinder 5, and when the abutting surface 19 abuts against the first pull rod 1, the first pull rod 1 is axially limited; so that the structure is compact and the connection is firm.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a locking device of lawn mower, includes first pull rod (1) and second pull rod (2) and connection staple bolt (3) of telescopic connection, connection staple bolt (3) one end is provided with first connecting cylinder (4) that are used for connecting first pull rod (1), connection staple bolt (3) other end is provided with second connecting cylinder (5) that are used for connecting second pull rod (2), its characterized in that: a first opening (6) is formed in the side edge of the first connecting cylinder (4), two first flanges (7) are arranged on two sides of the first opening (6), and after the two first flanges (7) are connected through a fastener, the first pull rod (1) is fixed in the first connecting cylinder (4);
a sliding groove (8) is formed in the second pull rod (2), and a convex rib (9) is arranged in the second connecting cylinder (5); or a convex rib (9) is arranged on the second pull rod (2), a sliding groove (8) is arranged in the second connecting cylinder (5), and when the convex rib (9) is embedded in the sliding groove (8), the second pull rod (2) is connected with the second connecting cylinder (5) in a sliding mode and is limited in the circumferential direction; second opening (10) have been seted up to second connecting cylinder (5) side, second opening (10) both sides respectively are provided with one second flange (11), and two second flanges (11) utilize the fastener to connect the back, second pull rod (2) locking is on second connecting cylinder (5).
2. A locking device for a lawnmower according to claim 1, wherein: the first opening (6) and the second opening (10) are connected with each other; the second opening (10) is communicated with the edge of the second connecting cylinder (5).
3. A locking device for a lawnmower according to claim 1, wherein: the first opening (6) and the second opening (10) are connected with each other; the first opening (6) is communicated with the edge of the first connecting cylinder (4) and the second opening (10) is communicated with the edge of the second connecting cylinder (5).
4. A locking device for a lawnmower according to claim 1, wherein: first opening (6) and second opening (10) all set up independently, first opening (6) intercommunication first connecting cylinder (4) border and second opening (10) intercommunication second connecting cylinder (5) border.
5. A locking device for a lawnmower according to claim 1 or 2 or 3 or 4, wherein: the connecting hoop (3) comprises an outer cylinder (12) and a lining (13), and the convex ribs (9) or the sliding grooves (8) are arranged in the lining (13); the outer cylinder (12) is made of plastic, and the lining (13) is made of metal.
6. A locking device for a lawnmower according to claim 5, wherein: a first positioning hole (14) is formed in the first connecting cylinder (4), a second positioning hole (15) corresponding to the first positioning hole (14) is formed in the first pull rod (1), and fasteners for tightly abutting against the second pull rod (2) can be arranged in the first positioning hole (14) and the second positioning hole (15); a third positioning hole (16) is formed in the second connecting cylinder (5), and a fastener for tightly abutting against the second pull rod (2) can be arranged in the third positioning hole (16).
7. A locking device for a lawnmower according to claim 6, wherein: the first connecting cylinder (4) is provided with a first protrusion (17) in the protruding manner, the first positioning hole (14) is formed in the first protrusion (17), the second connecting cylinder (5) is provided with a second protrusion (18) in the protruding manner, and the third positioning hole (16) is formed in the second protrusion (18).
8. A locking device for a lawnmower according to claim 1 or 2 or 3 or 4 or 6 or 7, wherein: an abutting surface (19) is arranged between the first connecting cylinder (4) and the second connecting cylinder (5), and when the abutting surface (19) abuts against the first pull rod (1), the first pull rod (1) is axially limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347478.1U CN215073953U (en) | 2020-12-31 | 2020-12-31 | A locking device for a lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347478.1U CN215073953U (en) | 2020-12-31 | 2020-12-31 | A locking device for a lawn mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215073953U true CN215073953U (en) | 2021-12-10 |
Family
ID=79322936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023347478.1U Expired - Fee Related CN215073953U (en) | 2020-12-31 | 2020-12-31 | A locking device for a lawn mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215073953U (en) |
-
2020
- 2020-12-31 CN CN202023347478.1U patent/CN215073953U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |