CN210158598U - Magnetic brush suitable for one-hand operation - Google Patents
Magnetic brush suitable for one-hand operation Download PDFInfo
- Publication number
- CN210158598U CN210158598U CN201920427339.8U CN201920427339U CN210158598U CN 210158598 U CN210158598 U CN 210158598U CN 201920427339 U CN201920427339 U CN 201920427339U CN 210158598 U CN210158598 U CN 210158598U
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- spring
- connecting rod
- sleeve
- magnetic brush
- buckle
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Abstract
The utility model discloses a magnetic brush suitable for one-hand operation, which comprises a sleeve, a connecting rod, a permanent magnet, a connecting rod cap, a first spring, a second spring and a rotating buckle; the sleeve is of a shell structure without a top surface, and the connecting rod is a long round rod and is arranged in the sleeve in a sliding mode along the axial direction of the sleeve; the utility model has the advantages that firstly, the magnetic brush of the utility model redesigns the internal structure, adopts the double spring action connecting rod, and correspondingly increases the rotating buckle, the sliding chute and the clamping hole, thereby facilitating the switching operation of the magnetic brush for absorbing and placing the powder by one hand of a user, and the other hand can vacate the light source and the powder bottle, etc.; secondly, the utility model discloses a change the spring direction of traditional magnetism brush for the initial position of connecting rod is located sheathed tube high level, consequently can switch to inhaling whitewashed state through pressing the connecting rod cap, presses down the button after, can reset to the sleeve pipe high level under the effect of double spring again, switches playback whitewashed state.
Description
Technical Field
The utility model relates to a criminal science technical field especially relates to a be suitable for magnetism brush of one-hand operation.
Background
The powder display method is a mature method for displaying sweat latent fingerprints, has the advantages of convenience in carrying, simplicity in operation, high display rate and the like, and is widely adopted in field investigation. The magnetic brush is an important tool for the powder visualization method, and the powder sucking and discharging states of the magnetic brush are required to be switched during the visualization operation. However, the conventional magnetic brush adopts a structure that the connecting rod is slidably installed in the sleeve, the strong magnet is installed at the bottom of the connecting rod, and the compression spring is adopted at the bottom, so that the powder suction state of the magnetic brush is the state that the connecting rod is at the lower position of the sleeve, and when the powder discharge state of the magnetic brush is switched, a user needs to match two hands, and pulls up the connecting rod with the other hand, which causes inconvenience in operation.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The technical problem to be solved of the utility model is to provide a be suitable for one-hand operation's magnetism brush, can switch inhaling of magnetism brush powder and putting the powder state through the one hand.
2. Technical scheme
In order to realize the purpose, the technical scheme of the utility model is that: a magnetic brush suitable for one-hand operation comprises a sleeve, a connecting rod, a permanent magnet, a connecting rod cap, a first spring, a second spring and a rotating buckle; the sleeve is of a shell structure without a top surface, and the connecting rod is a long round rod and is arranged in the sleeve in a sliding mode along the axial direction of the sleeve; the bottom of the connecting rod is provided with a permanent magnet, and the top of the sleeve is provided with a connecting rod cap; the connecting position of the connecting rod and the permanent magnet extends outwards along the radial direction to form a first flange, the first spring is sleeved on the connecting rod, and two ends of the first spring are respectively connected with the bottom surface of the first flange and the bottom surface of the inner cavity of the sleeve; the middle upper part of the connecting rod extends outwards along the radial direction to form a second flange, the top surface of the sleeve extends inwards to form a limiting flange, the second spring is sleeved on the connecting rod, and two ends of the second spring are respectively connected with the top surface of the second flange and the bottom surface of the limiting flange; the rotary buckle is an L-shaped body, a key hole is formed in the middle upper part of the peripheral wall of the sleeve, and the rotary buckle penetrates through the key hole; the rotating buckle is provided with a first clamping hook at one end close to the connecting rod, the peripheral wall of the connecting rod is provided with a sliding groove matched with the first clamping hook along the axial direction, and the top of the sliding groove is provided with a clamping hole matched with the first clamping hook and a second clamping hook.
The magnetic brush suitable for one-hand operation further comprises a third spring; the third spring is a compression spring, and two ends of the third spring are respectively connected with the rotating buckle and the inner peripheral wall of the sleeve.
The magnetic brush suitable for one-hand operation is characterized in that the first spring is a compression spring, and the second spring is an extension spring.
The magnetic brush suitable for one-hand operation is described above, wherein the rotating buckle comprises a key and a buckle; the key penetrates through the key hole; the key is divided into two parts which are connected through a screw, a groove is formed at the front end of the key, and a rotating shaft is arranged in the groove; the lower end of the buckle is provided with a hinge hole; the rotating shaft is hinged with the hinge hole, and the key and the buckle form an L-shaped body; the first clamping hook is arranged on one side, far away from the key, of the upper end of the buckle.
In the above magnetic brush suitable for one-hand operation, a limit shaft is arranged in the groove, and the limit shaft is located at the rear part of the rotating shaft.
In the above magnetic brush suitable for one-hand operation, a spring seat is arranged on the inner side of one end of the buckle, which is far away from the key, the lower edge of the spring seat is higher than the lower edge of the first hook, and the third spring is clamped on the spring seat.
In the above magnetic brush suitable for one-handed operation, the lower portion of the sleeve is a rotary cavity with a narrow upper portion and a narrow lower portion and a wide middle portion, and the middle portion of the sleeve extends outwards in the radial direction to form a supporting portion.
The magnetic brush suitable for one-hand operation is characterized in that the sliding groove and the clamping hole are connected through an inclined surface.
In the above magnetic brush suitable for one-hand operation, the rotating shaft and the limiting shaft are in a split structure, and two ends of the rotating shaft and the limiting shaft are respectively connected with the two parts of the key.
The magnetic brush suitable for one-hand operation is characterized in that the sleeve is longitudinally divided into two parts which are connected in a buckling manner.
3. To sum up the above
To sum up, the beneficial effects of the utility model reside in that:
(1) the magnetic brush of the utility model redesigns the internal structure, adopts the double-spring action connecting rod, and correspondingly increases the rotating buckle, the sliding chute and the clamping hole, thereby facilitating the switching operation of the magnetic brush for absorbing and placing the powder by one hand of a user, and the other hand can vacate the light source and the powder bottle, etc.;
(2) the utility model discloses a change the spring direction of traditional magnetism brush for the initial position of connecting rod is located sheathed tube high level, consequently can switch to inhaling whitewashed state through pressing the connecting rod cap, presses down the button after, can reset to the sleeve pipe high level again under the effect of double spring, switches playback whitewashed state.
Drawings
Fig. 1 is a schematic structural view of a magnetic brush suitable for one-handed operation according to the present invention.
Fig. 2 is a cross-sectional view of a magnetic brush suitable for one-handed operation in accordance with the present invention.
Fig. 3 is a partial schematic view of a magnetic brush a suitable for one-handed operation according to the present invention.
Fig. 4 is a schematic structural view of the magnetic brush rotating buckle suitable for one-handed operation of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1 to 4, a magnetic brush suitable for one-hand operation includes a sleeve 1, a connecting rod 2, a permanent magnet 3, a connecting rod cap 4, a first spring 5, a second spring 6 and a rotary buckle 7; the sleeve 1 is of a shell structure without a top surface, and the connecting rod 2 is an elongated rod and is arranged in the sleeve 1 in a sliding manner along the axial direction of the sleeve 1; the bottom of the connecting rod 2 is provided with a permanent magnet 3, and the top of the sleeve 1 is provided with a connecting rod cap 4; the connecting position of the connecting rod 2 and the permanent magnet 3 extends outwards along the radial direction to form a first flange 201, the first spring 5 is sleeved on the connecting rod 2, and two ends of the first spring are respectively connected with the bottom surface of the first flange 201 and the bottom surface of the inner cavity of the sleeve 1; the middle upper part of the connecting rod 2 extends outwards along the radial direction to form a second flange 202, the top surface of the sleeve 1 extends inwards to form a limiting flange 101, the second spring 6 is sleeved on the connecting rod 2, and two ends of the second spring are respectively connected with the top surface of the second flange 202 and the bottom surface of the limiting flange 101; the rotary buckle 7 is an L-shaped body, a key hole is formed in the middle upper part of the peripheral wall of the sleeve 1, and the rotary buckle 7 penetrates through the key hole; the rotating buckle 7 is provided with a first hook 701 near one end of the connecting rod 2, a sliding groove 203 matched with the first hook 701 is axially formed in the circumferential wall of the connecting rod 2, and a clamping hole 204 and a second hook 205 matched with the first hook 701 are formed in the top of the sliding groove 203.
A third spring 8 is also included; the third spring 8 is a compression spring, two ends of the third spring are respectively connected with the inner peripheral wall of the rotating buckle 7 and the inner peripheral wall of the sleeve 1, and the third spring 8 plays a role in resetting the rotating buckle 7.
The first spring 5 is a compression spring and the second spring 6 is an extension spring, which work together to make the initial position of the link 2 in the high position and help the link 2 to return when the link 2 is in the low position.
The rotary buckle 7 comprises a key 702 and a buckle 703; the key 702 passes through the key hole; the key 702 is divided into two parts which are connected through a screw, a groove 708 is formed at the front end of the key, and a rotating shaft 706 is arranged in the groove; the lower end of the buckle 703 is provided with a hinge hole 704; the rotating shaft 706 is hinged with the hinge hole 704, and the key 702 and the buckle 703 form an L-shaped body; the first hook 701 is arranged on one side, far away from the key 702, of the upper end of the buckle 703, and the key 702 is divided into two parts which are connected through a screw, so that the installation and the disassembly of the key are convenient.
A limiting shaft 707 is arranged in the groove 708, and the limiting shaft 707 is located at the rear of the rotating shaft 706 to prevent the buckle 703 and the key 702 from forming an excessively large included angle and sliding out of the key hole.
A spring seat 705 is arranged on the inner side of one end of the buckle 703, which is far away from the key 702, the lower edge of the spring seat 705 is higher than the lower edge of the first hook 701, the third spring 8 is clamped on the spring seat 705, and the third spring 8 is clamped on the buckle 703 to prevent the third spring from falling into the sleeve 1.
The lower part of the sleeve 1 is a rotary cavity 100 which is narrow at the upper part and the lower part and wide at the middle part, the middle part extends outwards along the radial direction to form a supporting part 9, the rotary cavity 100 below the supporting part 9 is magnetic when powder is sucked, the strong magnet 3 is positioned in the rotary cavity 100 above when the powder is placed, and at the moment, the supporting part 9 plays a role in isolation and prevents the magnetic powder from being adsorbed on the upper part of the rotary cavity 100.
The sliding groove 203 and the clamping hole 204 are connected by an inclined plane, so that sudden change of the connection part of the sliding groove 203 and the clamping hole 204 is avoided, and the first clamping hook 701 cannot slide into the clamping hole 204.
The rotating shaft 706 and the limiting shaft 707 are of split structures, two ends of the rotating shaft are respectively connected with the two parts of the key 702, and the rotating shaft 706 and the limiting shaft 707 are of split structures, so that the key 702 can be conveniently disassembled and assembled, and meanwhile, the durability of the shaft can be improved.
The sleeve 1 is divided into two parts along the longitudinal direction and is connected in a buckling mode, so that the sleeve is convenient to mount and dismount.
The using method comprises the following steps:
1. when the magnetic brush is required to be in a powder suction state, the connecting rod cap 4 is pressed by a thumb to enable the permanent magnet 3 to move downwards along with the connecting rod 2, at the moment, the first hook 701 moves along the sliding groove 203, the connecting rod 2 continues to move downwards, the first hook 701 slides into the clamping hole 204 and is clamped in the clamping hole 204 under the action of a third spring 8, the strong magnet 3 is located at the lower end of the rotary cavity 100, and the magnetic powder below the supporting part 9 is adsorbed on the wall of the sleeve 1 under the action of the strong magnet 3 to finish the powder suction operation;
2. when the magnetic brush is required to be in a powder placing state, the key 702 is pressed by an index finger, the first hook 701 is separated from the clamping hole 204 under the action of the rotating shaft 704 and the tip end of the second hook 205, the connecting rod 2 moves upwards to an initial high position under the action of the first spring 5 and the second spring 6, after the index finger is released, the first hook 701 rebounds to the sliding groove 203 under the action of the third spring 8, at the moment, the permanent magnet 3 returns to the upper part of the rotary cavity 100 and is positioned above the supporting part 9, and the magnetic powder positioned below the supporting part 9 falls off from the wall of the sleeve 1 due to the loss of the action of the permanent magnet 3, so that the powder placing operation is completed.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the content of the present invention or the direct or indirect application attached to the technical field of other related products are included in the patent protection scope of the present invention.
Claims (10)
1. A magnetic brush adapted for one-handed operation, comprising: comprises a sleeve (1), a connecting rod (2), a permanent magnet (3), a connecting rod cap (4), a first spring (5), a second spring (6) and a rotating buckle (7); the sleeve (1) is of a shell structure without a top surface, and the connecting rod (2) is an oblong rod and is arranged in the sleeve (1) in a sliding manner along the axial direction of the sleeve (1); the bottom of the connecting rod (2) is provided with a permanent magnet (3), and the top of the sleeve (1) is provided with a connecting rod cap (4); the connecting part of the connecting rod (2) and the permanent magnet (3) extends outwards along the radial direction to form a first flange (201), the first spring (5) is sleeved on the connecting rod (2), and two ends of the first spring are respectively connected with the bottom surface of the first flange (201) and the bottom surface of the inner cavity of the sleeve (1); the middle upper part of the connecting rod (2) extends outwards along the radial direction to form a second flange (202), the top surface of the sleeve (1) extends inwards to form a limiting flange (101), the second spring (6) is sleeved on the connecting rod (2), and two ends of the second spring are respectively connected with the top surface of the second flange (202) and the bottom surface of the limiting flange (101); the rotary buckle (7) is an L-shaped body, a key hole is formed in the middle upper part of the peripheral wall of the sleeve (1), and the rotary buckle (7) penetrates through the key hole; one end of the rotating buckle (7) close to the connecting rod (2) is provided with a first clamping hook (701), the peripheral wall of the connecting rod (2) is provided with a sliding groove (203) matched with the first clamping hook (701) along the axial direction, and the top of the sliding groove (203) is provided with a clamping hole (204) matched with the first clamping hook (701) and a second clamping hook (205).
2. A magnetic brush adapted for one-handed operation according to claim 1, wherein: further comprising a third spring (8); and the third spring (8) is a compression spring, and two ends of the third spring are respectively connected with the inner peripheral wall of the rotating buckle (7) and the inner peripheral wall of the sleeve (1).
3. A magnetic brush adapted for one-handed operation according to claim 2, wherein: the first spring (5) is a compression spring, and the second spring (6) is an extension spring.
4. A magnetic brush adapted for one-handed operation according to claim 3, wherein: the rotary buckle (7) comprises a key (702) and a buckle (703); the key (702) passes through the key hole; the key (702) is divided into two parts which are connected through a screw, a groove (708) is formed at the front end of the key, and a rotating shaft (706) is arranged in the groove (708); the lower end of the buckle (703) is provided with a hinge hole (704); the rotating shaft (706) is hinged with the hinge hole (704), and the key (702) and the buckle (703) form an L-shaped body; the first hook (701) is arranged on one side, far away from the key (702), of the upper end of the buckle (703).
5. A magnetic brush adapted for one-handed operation according to claim 4, wherein: a limiting shaft (707) is arranged in the groove (708), and the limiting shaft (707) is located at the rear part of the rotating shaft (706).
6. A magnetic brush adapted for one-handed operation according to claim 5, wherein: a spring seat (705) is arranged on the inner side of one end, away from the key (702), of the buckle (703), the lower edge of the spring seat (705) is higher than the lower edge of the first hook (701), and the third spring (8) is clamped on the spring seat (705).
7. A magnetic brush adapted for one-handed operation according to claim 6, wherein: the lower part of the sleeve (1) is a rotary cavity (100) which is narrow at the upper part and the lower part and wide in the middle part, and the middle part of the sleeve extends outwards along the radial direction to form a supporting part (9).
8. A magnetic brush adapted for one-handed operation according to claim 7, wherein: the sliding groove (203) and the clamping hole (204) are connected by adopting an inclined surface.
9. A magnetic brush adapted for one-handed operation according to claim 8, wherein: the second flange (202) is larger in size than the position-defining flange (101).
10. A magnetic brush adapted for one-handed operation according to claim 9, wherein: the sleeve (1) is divided into two parts along the longitudinal direction and is connected in a buckling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427339.8U CN210158598U (en) | 2019-04-01 | 2019-04-01 | Magnetic brush suitable for one-hand operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427339.8U CN210158598U (en) | 2019-04-01 | 2019-04-01 | Magnetic brush suitable for one-hand operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210158598U true CN210158598U (en) | 2020-03-20 |
Family
ID=69789934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920427339.8U Expired - Fee Related CN210158598U (en) | 2019-04-01 | 2019-04-01 | Magnetic brush suitable for one-hand operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210158598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109833046A (en) * | 2019-04-01 | 2019-06-04 | 湖南警察学院 | A kind of Magnetic brush suitable for one-handed performance |
-
2019
- 2019-04-01 CN CN201920427339.8U patent/CN210158598U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109833046A (en) * | 2019-04-01 | 2019-06-04 | 湖南警察学院 | A kind of Magnetic brush suitable for one-handed performance |
| CN109833046B (en) * | 2019-04-01 | 2023-04-28 | 湖南警察学院 | Be suitable for magnetic brush of single hand operation |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200320 Termination date: 20210401 |