CN220395409U - Fence door lock - Google Patents

Abstract

The utility model relates to a fence door lock, comprising: the base comprises a first hole extending along a first direction and a second hole extending along a second direction, wherein the first hole is communicated with the second hole, and a through hole is formed in the top wall of the first hole; the vertical rod comprises a rod body and a movable cam fixedly arranged at the bottom end of the rod body, the rod body is in sliding connection with the inner wall of the through hole, and the movable cam is arranged in the first hole; the lock shaft is in sliding connection with the inner wall of the second hole along the second direction, the lock shaft comprises a through hole extending along the first direction, and the movable cam is in sliding connection with the lock shaft; the elastic piece extends along the second direction, one end of the elastic piece is connected with the lock shaft, and the other end of the elastic piece is connected with the base; a latch having an opening at one side thereof and defining a chamber extending in a second direction; the lock shaft may be either partially received in the chamber or may be completely withdrawn from the chamber. The door lock provided by the utility model can be used on a fence door, and the door can be opened and closed by one-hand operation.

Description

Fence door lock

Technical Field

The utility model relates to the field of door locks, in particular to a door lock which is used for controlling opening and closing of a fence isolation door.

Background

The fence isolation is used for isolating an overhaul area from an operation area, prompts personnel to overhaul, prevents from entering the overhaul area by mistake, and is 1.2 meters in height generally, and the framework is made of galvanized steel pipes or aluminum alloy materials, and is hereinafter called a fence door. When the equipment is overhauled, workers need to pass through a fence door on a fixed channel when entering and exiting an overhauling area. In the prior art, a bolt is arranged on one door of the fence door, and the bolt can be locked only by extending a hand beyond the fence after the door is opened. The latch structure is too simple, and the latch must be manually aligned with the latch opening when closed, as a person standing on the back of the fence door may grip a finger. Sometimes the latch is not in the open position when the door is closed, and the door leaf and the door frame can be misplaced due to strong impact of the door. Especially when carrying article business turn over access area, need put the article both hands operation in the hand and aim at the bolt mouth with the bolt and just can switch rail door, the process is very inconvenient.

Therefore, a simple door lock which is convenient, quick, economical and practical and can open and close the isolation fence door by one hand is needed.

Disclosure of Invention

In view of the above, the present utility model aims to solve at least one of the technical problems in the related art to some extent.

To this end, an object of the present utility model is to propose a fence door lock comprising: a base (10), the base (10) comprising a first hole (11) extending along a first direction and a second hole (12) extending along a second direction, the first hole (11) being in communication with the second hole (12), a top wall (11 a) defining the first hole (1) being open with a through hole (13) extending along the first direction; the vertical rod (20), the vertical rod (20) comprises a rod body 1 (21) and a movable cam (22) fixedly arranged at the bottom end of the rod body (21), the rod body (21) is in sliding connection with the inner wall of the through hole (13), and the movable cam (22) is arranged in the first hole (11) and moves along the first direction along with the rod body (21); a lock shaft (30), the lock shaft (30) being slidably connected to an inner wall of the second hole (12) in a second direction, the lock shaft (30) including a through hole (32) extending in a first direction, the moving cam (22) being slidably connected to the lock shaft (30) through the through hole (32); an elastic member (50), wherein the elastic member (50) extends along a second direction, one end of the elastic member is connected with the lock shaft (30), and the other end of the elastic member is connected with the base (10); a latch (40), the latch (40) being open on one side and defining a chamber (41) extending in the second direction; the lock shaft (30) is partially received in the cavity (41) when the rail door lock is in the locked position, and the lock shaft (30) is completely withdrawn from the cavity (41) when the rail door lock is in the unlocked position.

According to the fence door lock provided by the utility model, a movable cam structure is formed between the lock shaft (30) and the upright rod (20), the upright rod (10) comprises the movable cam (22), the lock shaft (30) is a direct-acting driven piece, the up-and-down motion of the upright rod (10) can be converted into the left-and-right motion of the lock shaft (30), the movable cam (22) is slidably connected with the lock shaft (30), the upright rod (10) drives the movable cam (22) to move in the vertical direction, the lock shaft (30) is further driven to move left and right in the horizontal direction, part of the movable cam extends into the lock catch (40) or withdraws from the lock catch (40), the door can be opened and closed only by applying force in the vertical direction to the door lock, and the fence door lock is convenient to use, simple and quick, even if one hand has a weight, the other hand can accurately and quickly open and close the fence door.

In some embodiments, the second bore (12) includes a first section (121) and a second section (122), the second section (122) having a bottom wall (122 a) defining the second section (122), the second section (122) being larger in cross-section than the first section (121), the second bore (12) being of segmented design to facilitate axial positioning of the lock shaft (30).

In some embodiments, the lock shaft (30) includes a radially outwardly protruding step (31), an outer circumferential surface of the step (31) is slidably connected with an inner circumferential wall of the second section (122), the step (31) includes a first end surface (31 a) and a second end surface (31 b) opposite to the first end surface (31 a), and in the locking position, the first end surface (31 a) is connected with the bottom wall (122 a), and the radially outwardly protruding step (31) is provided so as to facilitate axial positioning of the lock shaft (30).

In some embodiments, the elastic member (50) is a spring, the spring is sleeved on the lock shaft (30) and one end of the spring is abutted against the second end face (31 b), the lock shaft (30) keeps the first end face (31 a) in contact with the bottom wall under the action of the spring (50), if no pressure is applied to the vertical rod (20), and the lock shaft part is accommodated in the cavity of the lock catch, so that the door lock is closed.

In some embodiments, the device further comprises an end cover (60) connected with the base (10), the end cover (60) is positioned on the right side of the second section (122) and provided with a central hole (61), the central hole (61) is communicated with the second section (122), the spring is abutted against the end cover to provide support for the spring, implementation is easy, and the central Kong Bikai lock shaft prevents the end cover from affecting the movement of the lock shaft in the horizontal direction.

In some embodiments, the lock shaft (30) includes a first end (34), the first end (34) being received within the chamber (41) in the locked position and the first end (34) being completely withdrawn from the chamber (41) in the unlocked position.

In some embodiments, the first end (34) includes a lock tongue (33), the lock tongue (33) has a first cambered surface (33 b) and gradually decreases from left to right in cross section, the lock catch (40) includes a side frame (42), the side frame (42) has a side edge (42 a) extending along the first direction, during the closing process of the fence door lock (100), the first cambered surface (33 b) can be slidably connected with the side edge (42 a), the cambered surface is arranged at the first end (34), and gradually decreases from left to right in cross section, when the lock tongue (33) contacts with the first cambered surface (33 b) outside the cavity (41), the side frame (42) can press the lock shaft to move to the right, and finally the lock tongue (33) is received in the cavity (41) again under the action of the spring, the door is only required to be closed by the cambered surface to be impacted by the first cambered surface (33 b) to the side frame (42) so as to realize automatic locking of the door lock, and the process of locking the door after aligning the lock shaft (30) with the lock catch (40) is omitted, so that the door locking process is simple and convenient.

In some embodiments, the inner wall of the first section (121) is provided with a flange (121 a) extending along the second direction, a groove (33 a) extending along the first direction is arranged at the joint of the outer peripheral wall of the lock shaft (30) and the inner wall of the first section (121), the flange (121 a) is connected and matched with the groove (33 a), circumferential rotation of the lock shaft (30) is limited, and the relative position of the lock tongue (33) and the lock catch side frame (42) is ensured.

In some embodiments, the section of the first hole (11) is rectangular, the moving cam (22) is fan-shaped and comprises a second cambered surface (22 a), the through hole (32) comprises a first side wall (321), the first side wall (321) is provided with a first edge (321 a), the second cambered surface (22 a) is in sliding connection with the first edge (321 a), so that the vertical rod (20) can be conveniently moved up and down to be moved in the left and right directions of the lock shaft (30), and the moving process is smooth and stable.

In some embodiments, a rubber cap (23) is connected to the top end of the upright (20) to facilitate pressing the upright (20) when opening the door.

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

Additional features and advantages of the utility model are described in the following description, which explains the utility model in more detail based on embodiments with reference to the drawings.

Fig. 1 is a schematic cross-sectional view of a fence door lock in accordance with an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a base of the fence door lock according to the embodiment of the present utility model.

Fig. 3 is a schematic structural view of a pole of a fence door lock according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a lock shaft of the fence door lock according to the embodiment of the present utility model.

Fig. 5 is a schematic structural view of an end cover of a fence door lock according to an embodiment of the present utility model.

Fig. 6 is a schematic structural view of a shackle of a fence door lock according to an embodiment of the present utility model.

Fig. 7 is a side view of the base of the enclosure door lock according to an embodiment of the utility model.

Fig. 8 is an enlarged view of the portion a.

Reference numerals illustrate:

100-fence door locks;

10-base, 11-vertical hole, 11 a-top wall, 12-horizontal hole, 121-left hole, 121 a-flange, 122-right hole, 122 a-bottom wall, 13 through hole;

20-vertical rods, 21-rod bodies, 22-movable cams, 22 a-cambered surfaces and 23-rubber caps;

30-a lock shaft, 31-a step, 31 a-a left end face, 31 b-a right end face, 32-a through hole, 321-a side wall, 321 a-a right side edge, 33-a lock tongue, 33 a-a groove, 33 b-an arc surface and 34-a left end;

40-lock catches, 41-chambers, 42 side frames, 42 a-sides;

50-an elastic member;

60-end cap, 61-central hole;

Detailed Description

Preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be noted that the terms "upper", "lower", "left", "right", "front", "rear" and the like are used herein for illustrative purposes only and are not limiting of the present utility model.

Fig. 1 schematically illustrates an embodiment of the present utility model, and as shown in fig. 1 to 6, an enclosure door lock 100 according to an embodiment of the present utility model includes:

a base 10, the base 10 including a vertical hole 11 (as an example of a first hole) extending in a vertical direction (as an example of a first direction) and a horizontal hole 12 (as an example of a second direction) extending in a horizontal direction (as an example of a second direction), the vertical hole 11 being in communication with the horizontal hole 12, a top wall 11a defining the vertical hole 11 being open with a through hole 13 extending in the vertical direction, the through hole 13 being in communication with the vertical hole 11;

the upright rod 20 comprises a rod body 21 and a movable cam 22 fixedly arranged at the bottom end of the rod body, the rod body 21 is in sliding connection with the inner wall of the through hole 13, and the movable cam 22 is arranged in the vertical hole 11 and moves along the vertical direction along with the rod body 21;

a lock shaft 30 slidably connected to an inner wall of the horizontal hole 12 in a horizontal direction, the lock shaft 30 including a through hole 32 extending in a vertical direction, the moving cam 22 slidably connected to the lock shaft 30 through the through hole 32;

a spring 50 (as an example of an elastic member) having one end connected to the lock shaft 30 and the other end connected to the base 10;

a locker 40 which is opened at one side and defines a chamber 41 extending in the horizontal direction;

the lock shaft 40 is partially received in the cavity 41 when the rail door lock is in the locked position and the lock shaft is completely withdrawn from the cavity when the rail door lock is in the unlocked position.

When the fence door lock 100 provided by the utility model is used, the base 10 can be fixed at the edge of a door leaf on one side of the fence door in a welding mode or the like, the lock catch 40 is fixed on the other side door or the fence, the opening of the lock catch is aligned to the lock shaft, and the lock catch is ensured to be in the stroke of the lock shaft.

When the door is closed, the vertical rod 20 is pressed by one hand, the lock shaft 30 is in sliding connection with the movable cam 22 of the vertical rod 20, the lock shaft moves rightwards after overcoming the elastic force of the spring 50 in the horizontal direction, the lock shaft withdraws from the lock catch, and when the door needs to be closed, after the lock shaft is aligned to the cavity, the lock shaft enters the cavity under the action of the spring, so that the door is rapid and convenient, and can be operated by one hand.

As shown in fig. 1 and 5, the rail door lock further includes an end cap 60 coupled to the base 10, the end cap 60 having a central hole 61, the central hole 61 being for passing through the lock shaft, preventing the end cap 60 from affecting the movement of the lock shaft in the horizontal direction. The other end of the spring 50 is connected with the end cover, the spring is supported, and the end cover and the base can be fixed on the base in a welding mode or the like.

As shown in fig. 2, the horizontal bore 12 includes a left side bore 121 and a right side bore 122, the diameter of the right side bore 122 being larger than the diameter of the left side bore 121, the right side bore 122 having a bottom wall 122a defining the right side bore 122, the horizontal bore 12 being arranged in segments so as to limit the axial position of the lock shaft.

As shown in fig. 1, one end of the spring abuts against the right end face 31b, and the other end abuts against the end cover 60, if no pressure is applied to the upright 20, the lock shaft 30 keeps the left end face 31a in contact with the bottom wall, and the lock shaft portion is accommodated in the cavity 41 of the lock catch, so as to realize the closing of the door lock.

As shown in fig. 3, the movable cam 22 is a sector with a width decreasing from top to bottom, the movable cam 22 includes a cambered surface 22a, the top end of the upright rod is connected with a rubber cap, the rubber cap is semicircular, and the semicircular design of the top end is convenient to press without hurting hands.

As shown in fig. 4, the lock shaft includes a step 31 protruding radially outward, and an outer peripheral surface of the step is slidably coupled with an inner wall of the right hole. The step 31 includes a left end face 31a (as an example of a first end face) and a right end face 31b (as an example of a second end face) opposite to the left end face 31a, and is arranged such that, in the lock position, the left end face 31a is connected to the bottom wall 122a, axial positioning of the lock shaft is achieved,

the lock shaft is provided with a through hole 32 along a vertical direction at the left side of the left side surface 31a, in this embodiment, the cross section of the through hole 32 is rectangular, including a right side wall 321 (as an example of a first side wall), a front side wall, a rear side wall and a left side wall which are sequentially connected, the right side wall 321 and the left side wall are rectangular short sides, the right side wall 321 has a right side edge 321a (as an example of a first side edge), the cambered surface 22a is slidably connected with the right side edge 321a, in the downward moving process of the vertical rod 20, the width of the part of the cam 22 extending into the through hole 32 is gradually increased, the positions of the vertical rod 20 and the cam 22 in the horizontal direction are unchanged, the right side edge 321a is pressed to force the lock shaft 30 to move to the right side against the pressure of the spring, further, the lock shaft is withdrawn from the lock catch, the right side wall can also be chamfered, the cambered surface 22a is in contact with the rounded corners of the right side wall, and the connection is smoother.

The lock shaft includes a left end 34 (as an example of a first end) in which the left end 33 is received within the chamber 41 and in which the left end 34 is fully withdrawn from the chamber 41.

As shown in fig. 1, 4, 7 and 8, the inner wall of the left hole 121 is provided with a flange 121a extending along the horizontal direction, a groove 33a extending along the horizontal direction is provided at the connection position between the outer wall of the lock shaft 30 and the inner wall of the left section, and the flange 121a is connected and matched with the groove 33a, or the outer wall of the lock shaft may be a flange, and the inner wall of the left hole is a groove. The left end 34 comprises a lock tongue 33, the lock tongue 33 is provided with a cambered surface 33b, the section of the lock tongue is gradually reduced from left to right, the flange and the groove are mutually matched, the circumferential rotation of the lock shaft is limited, and the correct relative position of the lock tongue and the side frame 42 is ensured.

The left end 34 includes a lock tongue 33, the lock tongue 33 has an arc surface 33b (as an example of a first arc surface) and is gradually reduced from left to right in cross section, the lock catch 40 includes a side edge 42a extending along a vertical direction, the arc surface 33b can be slidably connected with the side edge 42a during the process of the fence door lock 100 from the open position to the locking position, and an inclined surface can be provided in addition to the arc surface, so that the lock tongue is ensured to be gradually reduced from left to right in cross section and can be slidably connected with a side frame for smooth transition when the door is closed.

As shown in fig. 6, one end of the lock catch 40 is opened and defines a cavity 41, the cavity 41 is used for accommodating the left end of the lock shaft, the lock catch 40 comprises a side frame 42, a side edge 42a on the side frame 42 is slidably connected with the cambered surface 33a when the door is closed, the side edge 42a presses the cambered surface 33a to force the lock shaft to compress the spring and move rightwards, the left end of the lock shaft is retracted to a certain distance, the side frame is not contacted with the side frame 42 any more, the cavity 41 is opposite to the lock shaft, the lock shaft stretches into the cavity 42 under the action of the spring, and the fence door is in a locking state.

Therefore, according to the fence door lock 100 provided by the utility model, the lock shaft and the upright rod form a movable cam structure, the up-and-down motion of the upright rod is converted into the left-and-right motion of the lock shaft, the movable cam is in sliding connection with the lock shaft, the upright rod drives the movable cam to move in the vertical direction, and the lock shaft can be further driven to extend into the lock catch or withdraw from the lock catch, so that the fence door can be conveniently opened and closed by one hand. When the door is opened, the upright rod 20 is pressed by one hand, the lock shaft 30 moves rightwards after overcoming the elastic force of the spring in the horizontal direction, the lock shaft withdraws from the lock catch, when the door needs to be closed, the upright rod is released, the cambered surface 33a interacts with the side edge 42a, the lock shaft moves rightwards after overcoming the elastic force of the spring, and when the lock shaft is aligned with the cavity, the lock shaft enters the cavity under the action of the spring, so that the problem that the operation of the installation bolt and the lock catch on the fence door is difficult to align with the door closing is solved.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model.

In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A fence door lock (100), characterized by comprising:

a base (10), the base (10) comprising a first hole (11) extending along a first direction and a second hole (12) extending along a second direction, the first hole (11) being in communication with the second hole (12), a top wall (11 a) defining the first hole (11) being open with a through hole (13) extending along the first direction;

the vertical rod (20), the vertical rod (20) comprises a rod body (21) and a movable cam (22) fixedly arranged at the bottom end of the rod body (21), the rod body (21) is in sliding connection with the inner wall of the through hole (13), and the movable cam (22) is arranged in the first hole (11);

a lock shaft (30), the lock shaft (30) being slidably connected to an inner wall of the second hole (12) in a second direction, the lock shaft (30) including a through hole (32) extending in a first direction, the moving cam (22) being slidably connected to the lock shaft (30) through the through hole (32);

an elastic member (50), wherein the elastic member (50) extends along a second direction, one end of the elastic member is connected with the lock shaft (30), and the other end of the elastic member is connected with the base (10);

a latch (40), the latch (40) being open on one side and defining a chamber (41) extending in the second direction;

the lock shaft (30) is partially received in the cavity (41) when the rail door lock is in the locked position, and the lock shaft (30) is completely withdrawn from the cavity (41) when the rail door lock is in the unlocked position.

2. The enclosure door lock (100) of claim 1, wherein the second aperture (12) includes a first section (121) and a second section (122), the second section (122) having a bottom wall (122 a) defining the second section (122), the second section (122) being larger in cross-section than the first section (121).

3. The rail door lock (100) according to claim 2, wherein the lock shaft (30) includes a step (31) protruding radially outward, an outer peripheral surface of the step (31) being slidably connected with an inner peripheral wall of the second section (122), the step (31) including a first end surface (31 a) and a second end surface (31 b) opposite to the first end surface (31 a), the first end surface (31 a) being connected with the bottom wall (122 a) in the lock position.

4. A fence door lock (100) as claimed in claim 3, characterized in that the elastic member (50) is a spring which is sleeved on the lock shaft (30) and one end of which abuts the second end face (31 b).

5. The enclosure door lock (100) of claim 4, further comprising an end cap (60) coupled to the base (10), the end cap (60) being located to the right of the second section (122) and having a central aperture (61), the central aperture (61) being in communication with the second section (122).

6. The enclosure door lock (100) of claim 5, wherein the lock shaft (30) includes a first end (34), the first end (34) being received within the cavity (41) in the locked position and the first end (34) being completely withdrawn from the cavity (41) in the open position.

7. The enclosure door lock (100) of claim 6, wherein the first end (34) includes a lock tongue (33), the lock tongue (33) having a first arcuate surface (33 b) and tapering in cross-section from left to right, the lock catch (40) including a side frame (42), the side frame (42) having a side edge (42 a) extending in the first direction, the first arcuate surface (33 b) being slidably connectable to the side edge (42 a) during closing of the enclosure door lock (100).

8. The fence door lock (100) as claimed in claim 7, characterized in that the inner wall of the first section (121) is provided with a flange (121 a) extending in the second direction, a groove (33 a) extending in the first direction is provided at the junction of the outer peripheral wall of the lock shaft (30) and the inner wall of the first section (121), and the flange (121 a) is in connection engagement with the groove (33 a).

9. The fence door lock (100) as claimed in claim 1, characterized in that the first hole (11) is rectangular in cross section, the moving cam (22) is fan-shaped and includes a second arc surface (22 a), the through hole (32) includes a first side wall (321), the first side wall (321) has a first side (321 a), and the second arc surface (22 a) is slidably connected to the first side (321 a).

10. The fence door lock (100) as in claim 9, characterized in that the top end of the upright (20) is connected with a glue cap (23).