Carabiner

Abstract

A snap hook (1) with a hook-shaped base body (2) and a locking lever (3), a locking part (4), and an actuating lever (5), wherein the hook-shaped base body (2) partially encloses a receiving opening (6) of the snap hook (1), and the locking lever (3) is pivotably mounted on the hook-shaped base body (2) between a closed position and a maximum open position by means of a locking lever pivot axis (7), wherein the locking lever (3) can be locked in the closed position by the locking part (4), and the locking lever (3) can be pivoted from the closed position to the maximum open position by means of the actuating lever (5), which is pivotably mounted on the hook-shaped base body (2) by means of an actuating lever pivot axis (8), and the actuating lever (5) acts on the locking lever (3) by means of an actuating bolt (10) guided in an actuating slot (9), for pivoting.wherein, at least in the closed position, a distance (11) of the actuating bolt (10) from the actuating lever pivot axis (8) is at least three times, preferably at least five times, greater than a distance (12) of the actuating bolt (10) from the locking lever pivot axis (7).

Description

[0001] The present invention relates to a snap hook with a hook-shaped base body and a locking lever and a locking part and an actuating lever, wherein the hook-shaped base body partially encloses a receiving opening of the snap hook and the locking lever is pivotally mounted on the hook-shaped base body between a closed position and a maximum open position by means of a locking lever pivot axis, wherein the receiving opening is closed to the outside by the locking lever in the closed position and is maximally open to the outside in the maximum open position, wherein the locking lever can be locked in the closed position by the locking part and the locking lever is pivotally mounted on the hook-shaped base body by means of an actuating lever pivot axis,The operating lever can be pivoted from the closed position to the maximum open position and the operating lever acts on the locking lever by means of an actuating bolt guided in an elongated actuating hole.

[0002] Snap hooks are known in the state of the art in a wide variety of designs. For snap hooks primarily intended for use on via ferratas, the state of the art specifies that the locking lever should be as long as possible to prevent the fingers required to operate the locking lever from coming into contact with a steel cable into which the snap hook is to be hooked. Such proposals are known, for example, from AT 511 633 B1.

[0003] However, there are already approaches in the state of the art to equip snap hooks with an actuating lever in addition to the locking lever, whereby the actuating lever pivots the locking lever when the user pivots the actuating lever with their fingers. Such snap hooks are known, for example, from DE 10 2010 027 153 A1. Here, the locking lever and the actuating lever are located on opposite sides of the hook-shaped base body of the snap hook.

[0004] Common snap hooks, which also have a locking part, are available in the Fig. 4 and 5 DE 10 2010 027 153 A1, where Fig. 5 the locking part as a push button and in Fig. 4 designed as a pivoting lever.

[0005] The object of the invention is to further develop a generic snap hook so that it is as easy to operate as possible.

[0006] For this purpose, the invention proposes a snap hook according to patent claim 1.

[0007] It is thus provided according to the invention that, at least in the closed position, a distance of the actuating bolt from the actuating lever pivot axis is at least three times, preferably at least five times, greater than a distance of the actuating bolt from the closing lever pivot axis.

[0008] A fundamental idea of ​​the invention is therefore to make the distance between the actuating pin and the actuating lever pivot axis significantly greater than the distance between the actuating pin and the locking lever pivot axis, whereby this applies at least in the closed position of the locking lever, but preferably in all positions of the locking lever. This ensures that the actuating lever only needs to be pivoted through a relatively small angle about the actuating lever pivot axis in order to pivot the locking lever from the closed position to the maximum open position. Snap hooks according to the invention can therefore be operated relatively easily, since the actuating lever only needs to be moved relatively slightly to fully pivot the locking lever.

[0009] By means of the invention, a relatively good translation is achieved between the pivoting movement of the operating lever about the operating lever pivot axis and the pivoting movement of the locking lever about the locking lever pivot axis generated thereby.

[0010] In this context, preferred embodiments of the invention also provide that when the actuating lever is pivoted by an actuating lever pivot angle, a closing lever pivot angle of the closing lever caused thereby is at least six times, preferably at least seven times, as large as the actuating lever pivot angle.

[0011] A very intuitive type of operation that is familiar to the user of snap hooks is achieved when, as provided in preferred embodiments of the invention, the operating lever pivot axis and the locking lever pivot axis are arranged on a first side of the hook-shaped base body and the locking part is fastened to the hook-shaped base body on a second side of the hook-shaped base body, opposite the first side. As a result, the snap hook can therefore be actuated on the side for pivoting the locking lever, on which the locking lever itself is also located. One could also say that the actuating surface of the actuating lever is located on the first side of the hook-shaped base body, on which the locking lever pivot axis is also located. The actuating surface is the surface of the actuating lever on which the user presses with their fingers when actuating it.This allows the operator of the snap hook to actuate the locking lever mechanism on the side where the locking lever is located, just as is the case with simple snap hook designs that do not have an actuating lever at all. One could also say that the actuating lever and the locking lever are arranged on the first side of the hook-shaped base body, at least in the closed position, and the locking part is attached to the hook-shaped base body on a second side of the hook-shaped base body, opposite the first side.

[0012] In this context, preferred embodiments of the invention provide that the snap hook is longitudinally extended in one direction and the first side and the second side are opposite one another with respect to an imaginary longitudinal center axis running in the direction of the longitudinal extension.

[0013] As is known per se from the prior art, the locking part in snap hooks according to the invention can also be designed as a slider or as a push button. Preferred variants of the invention, however, provide that the locking part is a locking lever pivotally mounted on the hook-shaped base body by means of a locking part pivot axis. Particularly preferred variants, in turn, provide that the locking part pivot axis is arranged on the second side of the hook-shaped base body. In these variants, the actuating lever pivot axis and the locking lever pivot axis are thus located on the first side of the hook-shaped base body, and the locking part pivot axis is located on the opposite second side of the hook-shaped base body.

[0014] It is also advantageous if, in embodiments of the invention, the locking lever rests against a freely projecting end of the hook-shaped base body in the closed position, and the locking lever is arranged, at least in the closed position, between the freely projecting end of the hook-shaped base body and the actuating lever. It can also be provided that, in the closed position, the locking lever rests against the freely projecting end of the hook-shaped base body, and the locking lever pivot axis is arranged between the freely projecting end of the hook-shaped base body and the actuating lever pivot axis. This also simplifies the intuitive operation of the snap hook.

[0015] In principle, the actuating bolt could be arranged or formed on the locking lever and the actuating slot on the actuating lever. Preferred variants of the invention, however, provide that the actuating bolt is fixed to the actuating lever and the actuating slot is arranged, preferably formed, on the locking lever. In order to keep the force required to actuate the actuating lever when pivoting the locking lever from the closed position to the maximum open position as low as possible, it is advantageous if the friction between the actuating bolt and the walls delimiting the actuating slot is kept as low as possible. This can be achieved, for example, by keeping the maximum displacement distance of the actuating bolt in the actuating slot, by which the actuating bolt is displaced when pivoting the locking lever from its closed position to its maximum open position, as small as possible.In this sense, preferred embodiments of the invention provide that the actuating pin has a diameter measured in the actuating slot, and that the maximum displacement distance of the actuating pin in the actuating slot is at most twice the diameter of the actuating pin, preferably smaller than the diameter of the actuating pin. This ensures that the actuating pin is moved only over a very small maximum displacement distance in the actuating slot, so that very little friction loss can occur.

[0016] Preferably, the locking part acts on the locking lever by means of a locking bolt for locking. If the locking part is a locking lever pivotable about a locking part pivot axis, it is advantageously provided that the locking bolt and the locking part pivot axis are arranged at a distance from one another. This also applies at least in the closed position of the locking lever, but advantageously in all positions of the locking lever. A particularly stable locking of the locking lever by the locking part is achieved if the locking bolt is supported on the hook-shaped base body when locking the locking lever.

[0017] Preferred embodiments of the invention provide that the snap hook additionally has a blocking part for blocking the locking part, wherein the locking part blocked by the blocking part locks the locking lever in the closed position. With such snap hooks, a blocking part is therefore provided in addition to the locking part. If the blocking part blocks the locking part, this provides additional security that the locking part locks the locking lever in the closed position and cannot accidentally release the locking lever. The blocking part could also, in principle, be designed as a blocking lever pivotable about a blocking part pivot axis. Preferred variants of the invention, however, provide that the blocking part is a displaceably mounted blocking slide. Preferably, the blocking slide is displaceably mounted on the hook-shaped base body.Particularly preferably, the blocking part is mounted, preferably on the hook-shaped base body, so that it can move back and forth between two end positions. It can be provided that the blocking part engages in the end positions.

[0018] To protect the snap hook against abrasion from steel cables and the like, preferred embodiments of the invention provide for the hook-shaped base body to be coated, at least in part, with a polymer layer in an area adjacent to the receiving opening. This polymer layer, which can also be replaceably attached to the hook-shaped base body, can also significantly reduce noise when the snap hook slides along steel cables and the like.

[0019] Further features and details of preferred embodiments of the invention are explained below using an exemplary embodiment. The figures show: Fig. 1 shows an embodiment of a snap hook according to the invention in a closed position of the locking lever, wherein the locking part is blocked by a blocking part; Fig. 2 shows the same snap hook as Fig. 1 in the closed position, whereby the blocking part releases the locking part and Fig. 3 the same snap hook as in Fig. 1 , but in the maximum open position of the locking lever; Fig. 4 a longitudinal section of Fig. 1 ; Fig. 5a longitudinal section of Fig. 2 ; Fig. 6a longitudinal section Fig. 3 ; Fig. 7 an enlarged section of Fig. 4 ; Fig. 8 a schematic drawing of the relationship between the operating lever pivot angle and the locking lever pivot angle in this snap hook and Fig. 9 an enlarged section of Fig. 6.

[0020] All Fig. 1 to 9 show representations of one and the same embodiment of a snap hook 1 according to the invention. Fig. 1 to 3 show side views that Fig. 4 to 6 Sectional views, where Fig. 4 , Fig. 1 is assigned. Fig. 5 shows the cut in the position corresponding to Fig. 2 and Fig. 6 the cut accordingly Fig. 3 .

[0021] The snap hook 1 of this embodiment comprises a hook-shaped base body 2, a locking lever 3, a locking part 4 and an actuating lever 5. The locking part 4 is designed as a locking lever in this embodiment. The hook-shaped base body 2 partially or partially encloses the receiving opening 6 of the snap hook 1. If the snap hook 1 is hooked into a rope, a bolt or the like, the rope or the bolt is located in the receiving opening 6, as is known per se. The locking lever 3 is pivotable by means of its locking lever pivot axis 7 between a Fig. 1, 2 , 4 and 5 shown closed position and the one shown in the Fig. 3 and 6shown maximum open position pivotally mounted on the hook-shaped base body 2. In its closed position, the locking lever 3 closes the receiving opening 6 to the outside. In the maximum open position, the receiving opening 6 is opened as wide as possible to the outside so that the snap hook 1 can be hooked onto a rope (not shown) or a bolt or the like. The locking lever 3 can be locked in the closed position by the locking part 4, in this case by the locking lever. This means that if the locking part 4 holds the locking lever 3 in the closed position, the locking lever 3 cannot be pivoted out of the closed position.

[0022] While it is common practice with most commercially available snap hooks to pivot the locking lever from its closed position to its maximum open position by pressing directly on the locking lever, this embodiment according to the invention provides for the locking lever 3 to be pivoted from its closed position to its maximum open position via an actuating lever 5. The actuating lever 5 is pivotally mounted on the hook-shaped base body 2 by means of the actuating lever pivot axis 8. The movement is transmitted from the actuating lever 5 to the locking lever 3 by means of an actuating bolt 10 guided in an elongated actuating hole 9.

[0023] In this embodiment, it is provided that the actuating bolt 10 is fixed to the actuating lever 5 and the actuating slot 9 is formed on the locking lever 3. This can be seen particularly well in the sectional views according to the Fig. 4 to 6 .

[0024] In the Fig. 4 to 6 and especially in Fig. 7 one can clearly see that the distance 11 of the actuating bolt 10 from the actuating lever pivot axis 8 is significantly greater than the distance 12 of the actuating bolt 10 from the locking lever pivot axis 7. This applies first of all in the closed position, see Fig. 4, 5 and 7 . In preferred embodiments, however, this applies in all positions of the locking lever and in particular in the maximum open position according to Fig. 6 .

[0025] Fig. 7 shows an excerpt from Fig. 4enlarged. Here, the distances 11 between the actuating bolt 10 and the actuating lever pivot axis 8 as well as the distance 12 between the actuating bolt 10 and the locking lever pivot axis 7 are shown. According to the invention, this exemplary embodiment also provides that, at least in the closed position, the distance 11 of the actuating bolt 10 from the actuating lever pivot axis 8 is at least three times, preferably at least five times, greater than the distance 12 of the actuating bolt 10 from the locking lever pivot axis 7. In the embodiment shown, as well as in other preferred embodiments of the invention, the said distance 11 is even more than six times as large as the said distance 12. As already explained at the beginning, this achieves a particularly good transmission ratio when pivoting the locking lever 3.

[0026] In order to pivot the locking lever 3 from the closed position to the maximum open position, a relatively small actuating lever pivot angle 13 is sufficient to achieve the locking lever pivot angle 14 required for the complete opening of the locking lever 3. Fig. 8 shows for this embodiment of a snap hook 1 according to the invention only the locking lever pivot axis 7 and the actuating lever pivot axis 8, as well as the actuating bolt 10 in its two end positions. Fig. 8 The end position shown on the left is that of the actuating bolt 10 in the closed position of the locking lever 3. The position of the actuating bolt 10 shown on the right corresponds to its relative position to the locking lever pivot axis 7 and to the actuating lever pivot axis 8 in the maximum open position of the locking lever 3. Fig. 8accordingly also the operating lever pivot angle 13 and the corresponding locking lever pivot angle 14. As already explained at the beginning, it is advantageously provided, as also shown in this example, that when the operating lever 5 is pivoted about the operating lever pivot angle 13, a resulting locking lever pivot angle 14 of the locking lever 3 is at least six times, preferably at least seven times as large as the operating lever pivot angle 13.

[0027] In preferred embodiments, such as the one implemented here, it is provided that the actuating lever pivot axis 8 and the locking lever pivot axis 7 are arranged on a first side 15 of the hook-shaped base body 2. The locking part 4, however, is fastened to the hook-shaped base body 2 on a second side 16 of the hook-shaped base body 2, opposite the first side 15. This can be clearly seen in the Fig. 1 to 6 . In Fig. 1The longitudinal center axis 17 of this snap hook 1, which extends elongately in a corresponding direction, is also shown. It can be clearly seen that the first side 15 and the second side 16 are opposite one another with respect to the imaginary longitudinal center axis 17 running in the direction of the longitudinal extent of the snap hook 1. In preferred embodiments, such as the one shown here, it is then advantageously also the case that the actuating surface 28 of the actuating lever 5, which the user of the snap hook 1 presses to pivot the actuating lever 5, is located on the first side 15 of the snap hook 1. The actuating surface 29 of the locking part 4 or the locking lever, which must be pressed to pivot the locking lever, is advantageously located on the opposite second side 16, as is also the case here.Accordingly, in this embodiment, the locking part pivot axis 18, around which the locking part 4, here the locking lever, can be pivoted, is also located on the second side 16 of the hook-shaped base body 2.

[0028] In the Fig. 1 to 6 It is also clearly visible that the locking lever 3, in the closed position, rests against a freely projecting end 19 of the hook-shaped base body 2. The locking lever 3 is thus located between the freely projecting end 19 and the actuating lever 5. Furthermore, this embodiment also provides for the locking lever pivot axis 7 to be arranged between the freely projecting end 19 of the hook-shaped base body 2 and the actuating lever pivot axis 8.

[0029] While the pivoting of both the operating lever 5 and the locking part 4, or in this case the locking lever, is achieved by pressing on the corresponding actuating surfaces 28 and 29, a return spring 25 and 26, respectively, supported on the hook-shaped base body 2, is provided for the resetting of these levers 4 and 5. If the user releases the actuating surface 28 of the operating lever 5, the first return spring 25 presses the operating lever 5 back into its initial position according to the Fig. 1, 2 , 4 and 5 . By means of the coupling via the actuating slot 9 and the actuating bolt 10, this return of the actuating lever 5 also ensures that the locking lever 3 is returned from the maximum open position by means of the first return spring 25 in accordance with the Fig. 3 and 6 automatically into the closed position according to the Fig. 1, 2 , 4 and 5is pivoted back when the actuating surface 28 of the actuating lever 5 is released accordingly. The second return spring 26 ensures a corresponding return of the locking part 4, designed as a locking lever, when the actuating surface 29 is released accordingly.

[0030] The actuating lever 5 can only be actuated to pivot the locking lever 3 into its maximum open position when the locking part 4, here in the form of the locking lever, releases the locking lever 3. For the coupling between the locking part 4 and the locking lever 3, in preferred embodiments such as the one shown here, the locking part 4 acts on the locking lever 3 by means of a locking bolt 21. For this purpose, the locking bolt 21 is slidably mounted in a locking slot 24 in this embodiment, as in other preferred embodiments. In the variant shown here, the locking bolt 21 is fixed to the locking part 4, i.e., to the locking lever, while the locking slot 24 is located in the locking lever 3. This does not necessarily have to be the case; an arrangement the other way around would also be conceivable.It would even be possible to realize variants in which the locking slot 24 or the locking bolt 21 is formed on the actuating lever 5 or is fixed to it.

[0031] In the example shown here you can see especially in the Fig. 4, 5 and 7 that the locking slot 24 has a curved section and an end section that is angled relative to it. Located as in Fig. 4, 5 and 7 shown, the locking bolt 21 in the angled end area of ​​the locking slot 24, the locking part 4 locks the locking lever 3, so that it cannot move out of the closed position according to the Fig. 4, 5 and 7 can be swung out. Preferably, in this position, the locking bolt 21 is supported on the hook-shaped base body 2. This can also be clearly seen in the Fig. 4, 5 and 7. Only when the locking bolt 21 is transferred into the bent area of ​​the locking slot 24 by corresponding actuation of the locking part 4, i.e. here by a corresponding pivoting of the locking lever against the pretension of the second return spring 26, can the locking lever 3 be moved by means of the actuating lever 5 from the closed position into the Fig. 6 shown, maximum open position.

[0032] Especially in the sectional views according to the Fig. 4 to 6 one can clearly see that this snap hook 1 is equipped with a blocking part 22 in addition to the locking part 4. This blocking part 22 serves to block the locking part 4, as shown in the Fig. 1 and 4 In the position blocked by the blocking part 22, the locking part 4 permanently locks the locking lever 3 in its closed position. Only when the blocking part 22 is in the position shown in the Fig. 2 and 3and 5 and 6, in which it no longer blocks the locking lever 4, the locking lever 3 can be released by actuating the locking part 4 accordingly and then pivoted into the maximum open position. Even if this is not absolutely necessary, in this exemplary embodiment the blocking part 22 is designed as a blocking slide. This is slidably mounted on the hook-shaped base body 2. The blocking part 22, i.e. here the blocking slide, can be moved back and forth on the hook-shaped base body 2 between two end positions in this exemplary embodiment. One end position is shown in the Fig. 1 and 4 , the other end position in the Fig. 2, 3and 5 and 6. Preferably, as is also implemented here, the blocking part 22 is provided to engage in the end positions. In the embodiment shown here, the blocking part 22 has a locking lug for this purpose, which can engage in the corresponding recesses in the hook-shaped base body 2. Corresponding locking functions can, of course, also be implemented in other, conventional ways.

[0033] Especially in the sectional views according to the Fig. 4 to 6It can also be seen that, in this exemplary embodiment, the hook-shaped base body 2 is at least partially coated with a polymer layer 23 in an area adjacent to the receiving opening 6. This polymer layer 23 can reduce the abrasion on the hook-shaped base body 2 when the snap hook 1 is hooked into a steel cable or the like. Furthermore, the polymer layer 23 also achieves a corresponding noise reduction when the snap hook 1 is hooked into a steel cable and moved along it. The polymer layer 23 can be replaceably attached to the hook-shaped base body 2, so that it can be easily replaced when it becomes worn.

[0034] Fig. 9 now shows the area around the actuating bolt 10 in the actuating slot 9, from Fig. 6enlarged. It is clearly visible that the maximum displacement path 27 of the actuating pin 10 in the actuating slot 9 in this exemplary embodiment is even smaller than the diameter 20 of the actuating pin 10 in the actuating slot 9. When the pivoting lever 3 is pivoted from the closed position to the maximum open position, in preferred exemplary embodiments, such as the one shown here, the actuating pin 10 is moved only very slightly along the actuating slot 9. This also results in relatively little friction. This contributes to the fact that the locking lever 3 can be actuated by means of the actuating lever 5 with relatively little effort. legend to the reference numbers: 1 snap hook 25 first return spring 2 hook-shaped body 26 second return spring 27 Shifting distance 3 locking lever 28 Actuating surface 4 locking part 29 Actuating surface 5 Operating lever 6 Receiving opening 7 Locking lever pivot axis 8 Operating lever pivot axis 9 operating slot 10 Actuating bolt 11 Distance 12 Distance 13 Operating lever swivel angle 14 Locking lever pivot angle 15 first page 16 second page 17 Longitudinal center axis 18 Locking part swivel axis 19 cantilevered end 20 diameter 21 locking bolt 22 Blocking part 23 polymer layer 24 Locking slot

Claims

1. Snap hook (1) with a hook-shaped base body (2) and a locking lever (3) and a locking part (4) and an actuating lever (5), wherein the hook-shaped base body (2) partially encloses a receiving opening (6) of the snap hook (1) and the locking lever (3) is pivotally mounted on the hook-shaped base body (2) between a closed position and a maximum open position by means of a locking lever pivot axis (7), wherein the receiving opening (6) is closed to the outside by the locking lever (3) in the closed position and is maximally open to the outside in the maximum open position, wherein the locking lever (3) can be locked in the closed position by the locking part (4) and the locking lever (3) is pivotally mounted on the hook-shaped base body (2) by means of an actuating lever pivot axis (8).operating lever (5) can be pivoted from the closed position into the maximum open position and the operating lever (5) acts on the locking lever (3) by means of an operating bolt (10) guided in an elongated operating hole (9) for pivoting, , characterized in that at least in the closed position, a distance (11) of the actuating bolt (10) from the actuating lever pivot axis (8) is at least three times, preferably at least five times, greater than a distance (12) of the actuating bolt (10) from the closing lever pivot axis (7).

2. Snap hook (1) according to claim 1, wherein when the actuating lever (5) is pivoted about an actuating lever pivot angle (13), a closing lever pivot angle (14) of the closing lever (3) caused thereby is at least six times, preferably at least seven times, as large as the actuating lever pivot angle (13).

3. Snap hook (1) according to claim 1 or 2, wherein the actuating lever pivot axis (8) and the closing lever pivot axis (7) are arranged on a first side (15) of the hook-shaped base body (2) and the locking part (4) is fastened to the hook-shaped base body (2) on a second side (16) of the hook-shaped base body (2) opposite the first side (15).

4. Snap hook (1) according to claim 3, wherein the snap hook (1) is elongated in one direction and the first side (15) and the second side (16) are opposite one another with respect to an imaginary longitudinal central axis (17) running in the direction of the elongation.

5. Snap hook (1) according to one of claims 1 to 4, wherein the locking part (4) is a locking lever pivotally mounted on the hook-shaped base body (2) by means of a locking part pivot axis (18).

6. Snap hook (1) according to claim 3 or 4 and according to claim 5, wherein the locking part pivot axis (18) is arranged on the second side (16) of the hook-shaped base body (2).

7. Snap hook (1) according to one of claims 1 to 6, wherein the locking lever (3) in the closed position rests against a freely projecting end (19) of the hook-shaped base body (2) and the locking lever pivot axis (7) is arranged between the freely projecting end (19) of the hook-shaped base body (2) and the actuating lever pivot axis (8).

8. Snap hook (1) according to one of claims 1 to 7, wherein the actuating bolt (10) is fixed to the actuating lever (5) and the actuating slot (9) is arranged, preferably formed, on the locking lever (3).

9. Snap hook (1) according to one of claims 1 to 8, wherein the actuating bolt (10) has a diameter (20) measured in the actuating slot (9), and a maximum displacement distance (27) of the actuating bolt (10) in the actuating slot (9) is at most twice as large as the diameter (20) of the actuating bolt (10), preferably smaller than the diameter (20) of the actuating bolt (10).

10. Snap hook (1) according to one of claims 1 to 9, wherein the locking part (4) acts on the locking lever (3) by means of a locking bolt (21), wherein it is preferably provided that the locking bolt (21) is supported on the hook-shaped base body (2) when locking the locking lever (3).

11. Snap hook (1) according to one of claims 1 to 10, wherein the snap hook (1) additionally has a blocking part (22) for blocking the locking part (4), wherein the locking part (4) blocked by the blocking part (22) locks the locking lever (3) in the closed position.

12. Snap hook (1) according to claim 11, wherein the blocking part (22) is a blocking slide, preferably displaceably mounted on the hook-shaped base body (2).

13. Snap hook (1) according to claim 11 or 12, wherein the blocking part (22), preferably on the hook-shaped base body (2), is mounted so as to be movable back and forth between two end positions.

14. Snap hook (1) according to claim 13, wherein the blocking part (22) engages in the end positions.

15. Snap hook (1) according to one of claims 1 to 14, wherein the hook-shaped base body (2) is at least partially coated with a polymer layer (23) in an area adjacent to the receiving opening (6).