Chassis lock

Abstract

The invention relates to the technical field of LED display screen transportation, in particular to a chassis lock which comprises a first lock seat, a second lock seat, a third lock seat and a fourth lock seat. The fixing seat is arranged on the side of the first lock seat, and a first channel opposite to the clamping fixing via hole and a second channel which partially coincides with the first channel and partially located on the side of the first channel to conduct the first channel are formed in the fixing seat; the plug pin module comprises a first plug pin and a second plug pin which are clamped at a certain angle, the second plug pin is pushed, the first plug pin and the second plug pin correspondingly move along the first channel and the second channel, and the first plug pin penetrates into the clamping fixing via hole and locks the first lock seat. The product is convenient to lock / loosen, simple to operate, capable of quickly locking and fixing the box body, and good in result setting reasonability.

Description

Technical Field

[0001] The invention relates to the technical field of LED display screen transportation, and in particular to a chassis lock. Background Art

[0002] During the screen installation process, such as stage construction, a drone is needed to transport the screen to the corresponding scene.

[0003] In common trolleys, the lock and the box are integrated designs. The box needs to be opened when stacking and taking out the screen wind resistance rack. However, the existing lock-box integrated structure makes the stacking and taking out of the screen wind resistance rack very cumbersome, and it is easy to scratch and wear the product.

[0004] For this reason, it is urgent to provide a chassis lock to overcome the above-mentioned defects. Summary of the invention

[0005] The main purpose of the present invention is to provide a chassis lock which is convenient to lock / release and simple to operate, can quickly lock and fix a box, and has a good rationality of setting.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] A chassis lock, comprising:

[0008] The first lock seat has a clamping fixing hole formed on one end;

[0009] A fixing seat, disposed beside the first lock seat, formed with a first channel opposite to the clamping fixing through hole, and a second channel partially overlapping with the first channel and partially located beside the first channel to conduct the first channel;

[0010] The latch module includes a first latch and a second latch that are locked at a certain angle, pushing the second latch, the first latch and the second latch to move along the first channel and the second channel respectively, and the first latch penetrates the locking and fixing through hole and locks the first lock seat.

[0011] Preferably, a group of elastic positioning components for elastically positioning the first latch pin and protrusions / balls respectively abutting against the first latch pin are installed in the fixing seat on both sides of the first channel.

[0012] Preferably, a limiting groove and a positioning groove are formed on the first latch, the direction of the limiting groove is consistent with the direction of the second channel, and the positioning groove is located beside one end of the limiting groove.

[0013] Preferably, a limiting portion is formed on the outer side of one end of the first latch facing the first lock seat.

[0014] Preferably, the second latch vertically passes through one end of the first latch.

[0015] Preferably, glue is applied between the connection between the first latch and the second latch.

[0016] Preferably, the elastic positioning assembly comprises:

[0017] An abutment and positioning member that penetrates the fixed seat and has a protruding portion that abuts against the first pin to slide or snap into the limit groove, and an elastic positioning unit that is arranged at the other end of the first pin, the ball abuts against the limit to slide in the limit groove and interacts with the abutment and positioning member to press against the first pin according to elastic force.

[0018] Preferably, the elastic positioning unit comprises: a first base fixed on the fixed seat, an elastic member with one end sleeved on the fixed shaft of the first base, one end clamped and fixed to the other end of the elastic member, and the other end clamped and fixed to a movable pin of the ball.

[0019] Preferably, both ends of the movable pin are formed with a snap-fitting fixing groove, and the ball bearing is snap-fitted and fixed to one of the snap-fitting fixing grooves.

[0020] Preferably, the protrusion is hemispherical.

[0021] The chassis lock of the present invention is used to fix the first lock seat and the fixing seat on the box partition that needs to be locked, and push the second latch installed on the fixing seat. The first latch and the second latch slide along the first channel and the second channel respectively until the first latch is inserted into the clamping fixing through hole, and the second latch is flipped, so as to achieve the purpose of fixing the box partition and achieve the effect of fast locking. When opening, the reverse operation is sufficient. The structural setting of this product is ingenious, and the effect of locking / loosening the box can be achieved quickly, and the structural setting is reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The figure is a schematic structural diagram of a chassis lock according to an embodiment of the present invention.

[0023] Figure 2 for Figure 1 A schematic diagram of the structure after the first lock seat is hidden.

[0024] Figure 3 FIG. 1 is a structural schematic diagram of the fixing base of the present embodiment.

[0025] Figure 4 Schematic diagram of the structure of the latch of this embodiment.

[0026] Figure 5 A cross-sectional view of a latch module in which a first latch is pushed into a clamping and fixing via hole.

[0027] Figure 6 A cross-sectional view of a latch module in which a first latch is pulled out and clamped into a fixed via hole.

[0028] Figure 7 It is a cross-sectional view of the latch module with the first latch pushed into the fixed through hole and locked.

[0029] Description of the figure numbers in the manual:

[0030] 1-first lock seat, 11-card-fixing through hole, 2-fixing seat, 21-first channel, 22-second channel, 3-latch module, 31-first latch, a1-limiting groove, a2-positioning groove, c-limiting part, 32-second latch, 4-elastic positioning assembly, 41-abutting positioning piece, 42-elastic positioning unit, d1-first positioning seat, d2-elastic piece, d3-ball, d4-movable pin. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0032] It should be noted that when an element is referred to as being “connected to” or “disposed on” another element, it can be directly on the other element or indirectly on the other element.

[0033] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" means two or more, unless otherwise clearly and specifically defined. "Several" means one or more, unless otherwise clearly and specifically defined.

[0035] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] See also Figures 1 to 4 A chassis lock of the present embodiment comprises: a first lock seat 1, a fixing seat 2, a latch module 3 and an elastic positioning component 4, wherein a snap-fitting fixing through hole 11 is formed on one end of the first lock seat 1, the fixing seat 2 is arranged beside the first lock seat 1, and is formed with a first channel 21 opposite to the snap-fitting fixing through hole 11, and a second channel 22 partially overlapped with the first channel 21 and partially located beside the first channel 21 to conduct the first channel 21, the latch module 3 comprises a first latch 31 and a second latch 32 snap-fitted at a certain angle, pushing the second latch 32, the first latch 31 and the second latch 32 to move along the first channel 21 and the second channel 22 accordingly, the first latch 31 penetrates the snap-fitting fixing through hole 11 and locks the first lock seat 1, and a group of elastic positioning components 4 for elastically positioning the first latch 21 and protruding portions b1 / balls d3 respectively abutting against the first latch 31 are installed in the fixing seat 2 and on both sides of the first channel 21.

[0037] Specifically, the first latch 31 is formed with a limiting groove a1 and a positioning groove a2, the limiting groove a1 is in the same direction as the second channel 22, the positioning groove a2 is located beside one end of the limiting groove a1, and the first latch 31 is formed with a limiting portion c on the outer side of one end of the first lock seat 1, the limiting portion c is formed by cutting and forming the side surface of one end of the first latch 31, and the cutting depth is gradually reduced to form a stepped sliding groove, and during the opening and closing process, the protruding portion b1 abuts against the sliding groove and moves, and the setting of the limiting portion c abuts against the first lock seat 1 when locking, so as to limit the displacement of the first latch 31. The second latch 32 vertically penetrates one end of the first latch 31, and the connection between the first latch 31 and the second latch 32 is glued, which effectively improves the stability of the product. Furthermore, the diameter of the end of the second latch 32 connected to the first latch 31 is smaller than the other end, so that the second latch 32 is better engaged in the opening and closing effect of the second channel 22.

[0038] The elastic positioning component 4 includes: an abutting positioning member 41 that penetrates the fixed seat 2, and the protrusion b1 abuts against the first pin 31 to slide or is clamped into the limiting groove a2, and an elastic positioning unit 42 is arranged at the other end of the first pin 31, the ball b2 abuts and is limited in the limiting groove a1 to slide and interacts with the abutting positioning member 41 according to the elastic force to press against the first pin 31. The elastic positioning unit 42 includes: a first base d1 fixed on the fixed seat 2, an elastic member d2 with one end sleeved on the fixed axis of the first base d1, one end of which is clamped and fixed to the other end of the elastic member d2, and the other end of which is clamped and fixed to the ball d3. Both ends of the movable pin d4 are formed with clamping and fixing grooves, and the ball d3 is clamped and fixed on one of the clamping and fixing grooves. The protrusion b1 is hemispherical, and the ball d3 is spherical.

[0039] Please combine Figures 5 to 7 , push the second latch 32 toward the first lock seat 1, and the first latch 31 is inserted into the clamping fixing hole 11. During this process, the first latch 31 and the second latch 32 move along the first channel 21 and the second channel 22 respectively, and synchronously, the ball d3 slides along the limiting groove a1 and moves to the position as shown in FIG. Figure 5 As shown in FIG. 1 , the limiting portion c stops moving, the second latch 32 is turned over, and the protrusion b1 is engaged with the positioning groove a2. Figure 7 As shown, the locking function is realized; when opening, pull up and pull out the second latch 32 in the reverse direction to Figure 6 As shown, the ball d3 and the limiting groove a1 realize the limiting function, and the first lock seat 1 is opened.

[0040] From the above description, it can be seen that this product is easy to lock / loosen and simple to operate. It can quickly lock and fix the box, and the result setting is reasonable.

[0041] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A chassis lock, characterized in that: include: A first lock seat, one end of which is formed with a clamping fixing hole; A fixing seat, disposed beside the first lock seat, formed with a first channel opposite to the clamping fixing through hole, and a second channel partially overlapping with the first channel and partially located beside the first channel to conduct the first channel; The latch module includes a first latch and a second latch that are locked at a certain angle, pushing the second latch, the first latch and the second latch to move along the first channel and the second channel respectively, and the first latch penetrates the locking and fixing through hole and locks the first lock seat.

2. The chassis lock according to claim 1, characterized in that: A group of elastic positioning components for elastically positioning the first latch and protrusions / balls respectively abutting against the first latch are installed in the fixing seat on both sides of the first channel.

3. The chassis lock according to claim 1 or 2, characterized in that: A limiting groove and a positioning groove are formed on the first latch, the direction of the limiting groove is consistent with the direction of the second channel, and the positioning groove is located beside one end of the limiting groove.

4. The chassis lock according to claim 3, characterized in that: A limiting portion is formed on the outer side of one end of the first latch facing the first lock seat.

5. The chassis lock according to claim 1, characterized in that: The second latch vertically passes through one end of the first latch.

6. The chassis lock according to claim 5, characterized in that: Glue is applied between the connection between the first latch and the second latch.

7. The chassis lock according to claim 3, characterized in that: The elastic positioning component comprises: An abutment and positioning member that penetrates the fixed seat and has a protruding portion that abuts against the first pin to slide or snap into the limit groove, and an elastic positioning unit that is arranged at the other end of the first pin, the ball abuts against the limit to slide in the limit groove and interacts with the abutment and positioning member to press against the first pin according to elastic force.

8. The chassis lock according to claim 7, characterized in that: The elastic positioning unit includes: a first base fixed on the fixing seat, an elastic member with one end sleeved on the fixing shaft of the first base, one end clamped and fixed to the other end of the elastic member, and the other end clamped and fixed to the movable pin of the ball.

9. The chassis lock according to claim 8, characterized in that: Both ends of the movable pin are formed with a clamping and fixing groove, and the ball is clamped and fixed on one of the clamping and fixing grooves.

10. The chassis lock according to claim 7, characterized in that: The protrusion is in a hemispherical shape.

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